Finding the Fourth Proportional to 1,005,121.26, 1,507,904.28 and 331,175.34
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Solution
The fourth proportional to 1,005,121.26, 1,507,904.28 and 331,175.34 is: 496,836.28
Step by Step Solution
- Step 1: Write the proportion equation
1,005,121.26 : 1,507,904.28 = 331,175.34 : x - Step 2: Convert to fraction form
1,005,121.26/1,507,904.28 = 331,175.34/x - Step 3: Cross multiply
1,005,121.26x = 1,507,904.28 × 331,175.34 - Step 4: Simplify right side
1,005,121.26x = 499,380,712,616.46 - Step 5: Solve for x
x = 499,380,712,616.46/1,005,121.26 - Step 6: Final answer
x = 496,836.28
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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.