The Pareto principle or the 80/20 ratio rule is a great way by which an individual, as well as a company with thousands of employees, can take the benefit and utilize the 80/20 ratio rule. This rule is all about the 20 percent of the causes or the inputs with the help of which the 80 percent of the outputs are received. This principle by Pareto, states that the 20 percent of the causes are responsible for any result which is received by an individual or a company. The Pareto principle is significantly very important and it is commonly used in the business purposes in order to enhance and develop the business and the product sales as well as the customer relationship of a company. This principle is easy to use and it can also be applied to a number of fields. It is great for business as well as academics.