Finding the Fourth Proportional to 1,068,820.28, 1,474,915.74 and 585,375.12
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Solution
The fourth proportional to 1,068,820.28, 1,474,915.74 and 585,375.12 is: 807,786.86
Step by Step Solution
- Step 1: Write the proportion equation
1,068,820.28 : 1,474,915.74 = 585,375.12 : x - Step 2: Convert to fraction form
1,068,820.28/1,474,915.74 = 585,375.12/x - Step 3: Cross multiply
1,068,820.28x = 1,474,915.74 × 585,375.12 - Step 4: Simplify right side
1,068,820.28x = 863,378,976,097.23 - Step 5: Solve for x
x = 863,378,976,097.23/1,068,820.28 - Step 6: Final answer
x = 807,786.86
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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.