Finding the Fourth Proportional to 1,146,939.18, 1,720,496.26 and 348,286.88
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Solution
The fourth proportional to 1,146,939.18, 1,720,496.26 and 348,286.88 is: 522,456.89
Step by Step Solution
- Step 1: Write the proportion equation
1,146,939.18 : 1,720,496.26 = 348,286.88 : x - Step 2: Convert to fraction form
1,146,939.18/1,720,496.26 = 348,286.88/x - Step 3: Cross multiply
1,146,939.18x = 1,720,496.26 × 348,286.88 - Step 4: Simplify right side
1,146,939.18x = 599,226,274,447.07 - Step 5: Solve for x
x = 599,226,274,447.07/1,146,939.18 - Step 6: Final answer
x = 522,456.89
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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.