Finding the Fourth Proportional to 1,148,392.28, 1,722,588.49 and 474,490.95
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Solution
The fourth proportional to 1,148,392.28, 1,722,588.49 and 474,490.95 is: 711,736.45
Step by Step Solution
- Step 1: Write the proportion equation
1,148,392.28 : 1,722,588.49 = 474,490.95 : x - Step 2: Convert to fraction form
1,148,392.28/1,722,588.49 = 474,490.95/x - Step 3: Cross multiply
1,148,392.28x = 1,722,588.49 × 474,490.95 - Step 4: Simplify right side
1,148,392.28x = 817,352,649,079.17 - Step 5: Solve for x
x = 817,352,649,079.17/1,148,392.28 - Step 6: Final answer
x = 711,736.45
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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.