Finding the Fourth Proportional to 1,420,673.71, 2,131,851.28 and 522,745.99
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Solution
The fourth proportional to 1,420,673.71, 2,131,851.28 and 522,745.99 is: 784,428.33
Step by Step Solution
- Step 1: Write the proportion equation
1,420,673.71 : 2,131,851.28 = 522,745.99 : x - Step 2: Convert to fraction form
1,420,673.71/2,131,851.28 = 522,745.99/x - Step 3: Cross multiply
1,420,673.71x = 2,131,851.28 × 522,745.99 - Step 4: Simplify right side
1,420,673.71x = 1,114,416,707,896.37 - Step 5: Solve for x
x = 1,114,416,707,896.37/1,420,673.71 - Step 6: Final answer
x = 784,428.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.