Finding the Fourth Proportional to 1,351,497.90, 1,865,049.69 and 739,639.68
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Solution
The fourth proportional to 1,351,497.90, 1,865,049.69 and 739,639.68 is: 1,020,693.23
Step by Step Solution
- Step 1: Write the proportion equation
1,351,497.90 : 1,865,049.69 = 739,639.68 : x - Step 2: Convert to fraction form
1,351,497.90/1,865,049.69 = 739,639.68/x - Step 3: Cross multiply
1,351,497.90x = 1,865,049.69 × 739,639.68 - Step 4: Simplify right side
1,351,497.90x = 1,379,464,755,895.70 - Step 5: Solve for x
x = 1,379,464,755,895.70/1,351,497.90 - Step 6: Final answer
x = 1,020,693.23
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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.