Finding the Fourth Proportional to 1,121,753.12, 1,680,927.12 and 822,432.96
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Solution
The fourth proportional to 1,121,753.12, 1,680,927.12 and 822,432.96 is: 1,232,401.18
Step by Step Solution
- Step 1: Write the proportion equation
1,121,753.12 : 1,680,927.12 = 822,432.96 : x - Step 2: Convert to fraction form
1,121,753.12/1,680,927.12 = 822,432.96/x - Step 3: Cross multiply
1,121,753.12x = 1,680,927.12 × 822,432.96 - Step 4: Simplify right side
1,121,753.12x = 1,382,449,866,845.88 - Step 5: Solve for x
x = 1,382,449,866,845.88/1,121,753.12 - Step 6: Final answer
x = 1,232,401.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.