Finding the Fourth Proportional to 1,081,197.20, 1,491,987.92 and 597,733.44
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Solution
The fourth proportional to 1,081,197.20, 1,491,987.92 and 597,733.44 is: 824,836.65
Step by Step Solution
- Step 1: Write the proportion equation
1,081,197.20 : 1,491,987.92 = 597,733.44 : x - Step 2: Convert to fraction form
1,081,197.20/1,491,987.92 = 597,733.44/x - Step 3: Cross multiply
1,081,197.20x = 1,491,987.92 × 597,733.44 - Step 4: Simplify right side
1,081,197.20x = 891,811,071,860.05 - Step 5: Solve for x
x = 891,811,071,860.05/1,081,197.20 - Step 6: Final answer
x = 824,836.65
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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.