Finding the Fourth Proportional to 1,202,057.28, 1,658,839.68 and 749,350.08
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Solution
The fourth proportional to 1,202,057.28, 1,658,839.68 and 749,350.08 is: 1,034,103.51
Step by Step Solution
- Step 1: Write the proportion equation
1,202,057.28 : 1,658,839.68 = 749,350.08 : x - Step 2: Convert to fraction form
1,202,057.28/1,658,839.68 = 749,350.08/x - Step 3: Cross multiply
1,202,057.28x = 1,658,839.68 × 749,350.08 - Step 4: Simplify right side
1,202,057.28x = 1,243,051,646,915.17 - Step 5: Solve for x
x = 1,243,051,646,915.17/1,202,057.28 - Step 6: Final answer
x = 1,034,103.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.