Finding the Fourth Proportional to 1,100,375.26, 1,518,787.95 and 670,892.18
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Solution
The fourth proportional to 1,100,375.26, 1,518,787.95 and 670,892.18 is: 925,995.88
Step by Step Solution
- Step 1: Write the proportion equation
1,100,375.26 : 1,518,787.95 = 670,892.18 : x - Step 2: Convert to fraction form
1,100,375.26/1,518,787.95 = 670,892.18/x - Step 3: Cross multiply
1,100,375.26x = 1,518,787.95 × 670,892.18 - Step 4: Simplify right side
1,100,375.26x = 1,018,942,958,733.23 - Step 5: Solve for x
x = 1,018,942,958,733.23/1,100,375.26 - Step 6: Final answer
x = 925,995.88
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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.