Finding the Fourth Proportional to 1,234,546.92, 1,703,605.77 and 690,577.68
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Solution
The fourth proportional to 1,234,546.92, 1,703,605.77 and 690,577.68 is: 952,958.61
Step by Step Solution
- Step 1: Write the proportion equation
1,234,546.92 : 1,703,605.77 = 690,577.68 : x - Step 2: Convert to fraction form
1,234,546.92/1,703,605.77 = 690,577.68/x - Step 3: Cross multiply
1,234,546.92x = 1,703,605.77 × 690,577.68 - Step 4: Simplify right side
1,234,546.92x = 1,176,472,120,281.21 - Step 5: Solve for x
x = 1,176,472,120,281.21/1,234,546.92 - Step 6: Final answer
x = 952,958.61
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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.