Finding the Fourth Proportional to 1,057,455.28, 1,459,290.14 and 574,020.76
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Solution
The fourth proportional to 1,057,455.28, 1,459,290.14 and 574,020.76 is: 792,149.65
Step by Step Solution
- Step 1: Write the proportion equation
1,057,455.28 : 1,459,290.14 = 574,020.76 : x - Step 2: Convert to fraction form
1,057,455.28/1,459,290.14 = 574,020.76/x - Step 3: Cross multiply
1,057,455.28x = 1,459,290.14 × 574,020.76 - Step 4: Simplify right side
1,057,455.28x = 837,662,835,223.31 - Step 5: Solve for x
x = 837,662,835,223.31/1,057,455.28 - Step 6: Final answer
x = 792,149.65
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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.