Finding the Fourth Proportional to 1,129,490.91, 1,694,236.97 and 709,062.03
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Solution
The fourth proportional to 1,129,490.91, 1,694,236.97 and 709,062.03 is: 1,063,593.43
Step by Step Solution
- Step 1: Write the proportion equation
1,129,490.91 : 1,694,236.97 = 709,062.03 : x - Step 2: Convert to fraction form
1,129,490.91/1,694,236.97 = 709,062.03/x - Step 3: Cross multiply
1,129,490.91x = 1,694,236.97 × 709,062.03 - Step 4: Simplify right side
1,129,490.91x = 1,201,319,107,021.90 - Step 5: Solve for x
x = 1,201,319,107,021.90/1,129,490.91 - Step 6: Final answer
x = 1,063,593.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.