Finding the Fourth Proportional to 1,205,529.23, 1,663,520.13 and 715,414.02
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Solution
The fourth proportional to 1,205,529.23, 1,663,520.13 and 715,414.02 is: 987,205.95
Step by Step Solution
- Step 1: Write the proportion equation
1,205,529.23 : 1,663,520.13 = 715,414.02 : x - Step 2: Convert to fraction form
1,205,529.23/1,663,520.13 = 715,414.02/x - Step 3: Cross multiply
1,205,529.23x = 1,663,520.13 × 715,414.02 - Step 4: Simplify right side
1,205,529.23x = 1,190,105,623,554.22 - Step 5: Solve for x
x = 1,190,105,623,554.22/1,205,529.23 - Step 6: Final answer
x = 987,205.95
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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.