Finding the Fourth Proportional to 1,203,497.70, 1,806,121.35 and 494,034.90
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Solution
The fourth proportional to 1,203,497.70, 1,806,121.35 and 494,034.90 is: 741,411.45
Step by Step Solution
- Step 1: Write the proportion equation
1,203,497.70 : 1,806,121.35 = 494,034.90 : x - Step 2: Convert to fraction form
1,203,497.70/1,806,121.35 = 494,034.90/x - Step 3: Cross multiply
1,203,497.70x = 1,806,121.35 × 494,034.90 - Step 4: Simplify right side
1,203,497.70x = 892,286,980,535.12 - Step 5: Solve for x
x = 892,286,980,535.12/1,203,497.70 - Step 6: Final answer
x = 741,411.45
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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.