Finding the Fourth Proportional to 1,152,711.36, 1,729,676.16 and 817,915.68
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Solution
The fourth proportional to 1,152,711.36, 1,729,676.16 and 817,915.68 is: 1,227,305.73
Step by Step Solution
- Step 1: Write the proportion equation
1,152,711.36 : 1,729,676.16 = 817,915.68 : x - Step 2: Convert to fraction form
1,152,711.36/1,729,676.16 = 817,915.68/x - Step 3: Cross multiply
1,152,711.36x = 1,729,676.16 × 817,915.68 - Step 4: Simplify right side
1,152,711.36x = 1,414,729,252,586.19 - Step 5: Solve for x
x = 1,414,729,252,586.19/1,152,711.36 - Step 6: Final answer
x = 1,227,305.73
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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.