Finding the Fourth Proportional to 1,148,391.28, 1,722,586.99 and 474,489.95
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Solution
The fourth proportional to 1,148,391.28, 1,722,586.99 and 474,489.95 is: 711,734.95
Step by Step Solution
- Step 1: Write the proportion equation
1,148,391.28 : 1,722,586.99 = 474,489.95 : x - Step 2: Convert to fraction form
1,148,391.28/1,722,586.99 = 474,489.95/x - Step 3: Cross multiply
1,148,391.28x = 1,722,586.99 × 474,489.95 - Step 4: Simplify right side
1,148,391.28x = 817,350,214,755.75 - Step 5: Solve for x
x = 817,350,214,755.75/1,148,391.28 - Step 6: Final answer
x = 711,734.95
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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.