Finding the Fourth Proportional to 1,258,966.53, 1,737,319.47 and 715,100.62
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Solution
The fourth proportional to 1,258,966.53, 1,737,319.47 and 715,100.62 is: 986,807.99
Step by Step Solution
- Step 1: Write the proportion equation
1,258,966.53 : 1,737,319.47 = 715,100.62 : x - Step 2: Convert to fraction form
1,258,966.53/1,737,319.47 = 715,100.62/x - Step 3: Cross multiply
1,258,966.53x = 1,737,319.47 × 715,100.62 - Step 4: Simplify right side
1,258,966.53x = 1,242,358,230,135.07 - Step 5: Solve for x
x = 1,242,358,230,135.07/1,258,966.53 - Step 6: Final answer
x = 986,807.99
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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.