Finding the Fourth Proportional to 1,251,062.51, 1,726,468.11 and 678,102.53
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Solution
The fourth proportional to 1,251,062.51, 1,726,468.11 and 678,102.53 is: 935,782.49
Step by Step Solution
- Step 1: Write the proportion equation
1,251,062.51 : 1,726,468.11 = 678,102.53 : x - Step 2: Convert to fraction form
1,251,062.51/1,726,468.11 = 678,102.53/x - Step 3: Cross multiply
1,251,062.51x = 1,726,468.11 × 678,102.53 - Step 4: Simplify right side
1,251,062.51x = 1,170,722,384,722.98 - Step 5: Solve for x
x = 1,170,722,384,722.98/1,251,062.51 - Step 6: Final answer
x = 935,782.49
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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.