Finding the Fourth Proportional to 1,167,190.92, 1,750,768.68 and 711,915.84
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Solution
The fourth proportional to 1,167,190.92, 1,750,768.68 and 711,915.84 is: 1,067,862.96
Step by Step Solution
- Step 1: Write the proportion equation
1,167,190.92 : 1,750,768.68 = 711,915.84 : x - Step 2: Convert to fraction form
1,167,190.92/1,750,768.68 = 711,915.84/x - Step 3: Cross multiply
1,167,190.92x = 1,750,768.68 × 711,915.84 - Step 4: Simplify right side
1,167,190.92x = 1,246,399,955,467.89 - Step 5: Solve for x
x = 1,246,399,955,467.89/1,167,190.92 - Step 6: Final answer
x = 1,067,862.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.