Finding the Fourth Proportional to 1,252,120.28, 1,878,253.11 and 353,486.78
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Solution
The fourth proportional to 1,252,120.28, 1,878,253.11 and 353,486.78 is: 530,250.70
Step by Step Solution
- Step 1: Write the proportion equation
1,252,120.28 : 1,878,253.11 = 353,486.78 : x - Step 2: Convert to fraction form
1,252,120.28/1,878,253.11 = 353,486.78/x - Step 3: Cross multiply
1,252,120.28x = 1,878,253.11 × 353,486.78 - Step 4: Simplify right side
1,252,120.28x = 663,937,652,096.24 - Step 5: Solve for x
x = 663,937,652,096.24/1,252,120.28 - Step 6: Final answer
x = 530,250.70
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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.