Finding the Fourth Proportional to 1,012,342.56, 1,518,207.12 and 532,311.84
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Solution
The fourth proportional to 1,012,342.56, 1,518,207.12 and 532,311.84 is: 798,306.48
Step by Step Solution
- Step 1: Write the proportion equation
1,012,342.56 : 1,518,207.12 = 532,311.84 : x - Step 2: Convert to fraction form
1,012,342.56/1,518,207.12 = 532,311.84/x - Step 3: Cross multiply
1,012,342.56x = 1,518,207.12 × 532,311.84 - Step 4: Simplify right side
1,012,342.56x = 808,159,625,548.30 - Step 5: Solve for x
x = 808,159,625,548.30/1,012,342.56 - Step 6: Final answer
x = 798,306.48
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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.