Finding the Fourth Proportional to 1,252,414.88, 1,728,333.12 and 679,454.88
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Solution
The fourth proportional to 1,252,414.88, 1,728,333.12 and 679,454.88 is: 937,648.05
Step by Step Solution
- Step 1: Write the proportion equation
1,252,414.88 : 1,728,333.12 = 679,454.88 : x - Step 2: Convert to fraction form
1,252,414.88/1,728,333.12 = 679,454.88/x - Step 3: Cross multiply
1,252,414.88x = 1,728,333.12 × 679,454.88 - Step 4: Simplify right side
1,252,414.88x = 1,174,324,372,649.63 - Step 5: Solve for x
x = 1,174,324,372,649.63/1,252,414.88 - Step 6: Final answer
x = 937,648.05
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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.