Finding the Fourth Proportional to 1,251,124.06, 1,726,554.12 and 678,161.64
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Solution
The fourth proportional to 1,251,124.06, 1,726,554.12 and 678,161.64 is: 935,864.64
Step by Step Solution
- Step 1: Write the proportion equation
1,251,124.06 : 1,726,554.12 = 678,161.64 : x - Step 2: Convert to fraction form
1,251,124.06/1,726,554.12 = 678,161.64/x - Step 3: Cross multiply
1,251,124.06x = 1,726,554.12 × 678,161.64 - Step 4: Simplify right side
1,251,124.06x = 1,170,882,773,567.96 - Step 5: Solve for x
x = 1,170,882,773,567.96/1,251,124.06 - Step 6: Final answer
x = 935,864.64
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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.