Finding the Fourth Proportional to 1,073,306.13, 1,609,942.46 and 274,580.79
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Solution
The fourth proportional to 1,073,306.13, 1,609,942.46 and 274,580.79 is: 411,866.90
Step by Step Solution
- Step 1: Write the proportion equation
1,073,306.13 : 1,609,942.46 = 274,580.79 : x - Step 2: Convert to fraction form
1,073,306.13/1,609,942.46 = 274,580.79/x - Step 3: Cross multiply
1,073,306.13x = 1,609,942.46 × 274,580.79 - Step 4: Simplify right side
1,073,306.13x = 442,059,271,148.44 - Step 5: Solve for x
x = 442,059,271,148.44/1,073,306.13 - Step 6: Final answer
x = 411,866.90
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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.