Finding the Fourth Proportional to 1,258,965.52, 1,737,318.10 and 715,099.62
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Solution
The fourth proportional to 1,258,965.52, 1,737,318.10 and 715,099.62 is: 986,806.62
Step by Step Solution
- Step 1: Write the proportion equation
1,258,965.52 : 1,737,318.10 = 715,099.62 : x - Step 2: Convert to fraction form
1,258,965.52/1,737,318.10 = 715,099.62/x - Step 3: Cross multiply
1,258,965.52x = 1,737,318.10 × 715,099.62 - Step 4: Simplify right side
1,258,965.52x = 1,242,355,513,129.12 - Step 5: Solve for x
x = 1,242,355,513,129.12/1,258,965.52 - Step 6: Final answer
x = 986,806.62
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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.