Finding the Fourth Proportional to 1,136,419.94, 1,568,268.68 and 620,177.90
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Solution
The fourth proportional to 1,136,419.94, 1,568,268.68 and 620,177.90 is: 855,850.50
Step by Step Solution
- Step 1: Write the proportion equation
1,136,419.94 : 1,568,268.68 = 620,177.90 : x - Step 2: Convert to fraction form
1,136,419.94/1,568,268.68 = 620,177.90/x - Step 3: Cross multiply
1,136,419.94x = 1,568,268.68 × 620,177.90 - Step 4: Simplify right side
1,136,419.94x = 972,605,576,598.17 - Step 5: Solve for x
x = 972,605,576,598.17/1,136,419.94 - Step 6: Final answer
x = 855,850.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.