Finding the Fourth Proportional to 1,234,165.24, 1,703,305.79 and 690,331.24
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Solution
The fourth proportional to 1,234,165.24, 1,703,305.79 and 690,331.24 is: 952,745.35
Step by Step Solution
- Step 1: Write the proportion equation
1,234,165.24 : 1,703,305.79 = 690,331.24 : x - Step 2: Convert to fraction form
1,234,165.24/1,703,305.79 = 690,331.24/x - Step 3: Cross multiply
1,234,165.24x = 1,703,305.79 × 690,331.24 - Step 4: Simplify right side
1,234,165.24x = 1,175,845,198,109.88 - Step 5: Solve for x
x = 1,175,845,198,109.88/1,234,165.24 - Step 6: Final answer
x = 952,745.35
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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.