Finding the Fourth Proportional to 1,080,552.12, 1,491,121.80 and 597,107.22
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Solution
The fourth proportional to 1,080,552.12, 1,491,121.80 and 597,107.22 is: 823,985.79
Step by Step Solution
- Step 1: Write the proportion equation
1,080,552.12 : 1,491,121.80 = 597,107.22 : x - Step 2: Convert to fraction form
1,080,552.12/1,491,121.80 = 597,107.22/x - Step 3: Cross multiply
1,080,552.12x = 1,491,121.80 × 597,107.22 - Step 4: Simplify right side
1,080,552.12x = 890,359,592,679.40 - Step 5: Solve for x
x = 890,359,592,679.40/1,080,552.12 - Step 6: Final answer
x = 823,985.79
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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.