Finding the Fourth Proportional to 1,332,225, 1,838,359.36 and 751,416.12
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Solution
The fourth proportional to 1,332,225, 1,838,359.36 and 751,416.12 is: 1,036,891.56
Step by Step Solution
- Step 1: Write the proportion equation
1,332,225 : 1,838,359.36 = 751,416.12 : x - Step 2: Convert to fraction form
1,332,225/1,838,359.36 = 751,416.12/x - Step 3: Cross multiply
1,332,225x = 1,838,359.36 × 751,416.12 - Step 4: Simplify right side
1,332,225x = 1,381,372,857,456.88 - Step 5: Solve for x
x = 1,381,372,857,456.88/1,332,225 - Step 6: Final answer
x = 1,036,891.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.