Finding the Fourth Proportional to 1,202,542.48, 1,659,781.74 and 749,746
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Solution
The fourth proportional to 1,202,542.48, 1,659,781.74 and 749,746 is: 1,034,819.76
Step by Step Solution
- Step 1: Write the proportion equation
1,202,542.48 : 1,659,781.74 = 749,746 : x - Step 2: Convert to fraction form
1,202,542.48/1,659,781.74 = 749,746/x - Step 3: Cross multiply
1,202,542.48x = 1,659,781.74 × 749,746 - Step 4: Simplify right side
1,202,542.48x = 1,244,414,720,438.04 - Step 5: Solve for x
x = 1,244,414,720,438.04/1,202,542.48 - Step 6: Final answer
x = 1,034,819.76
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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.