Finding the Fourth Proportional to 1,252,418.96, 1,728,338.78 and 679,458.98
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Solution
The fourth proportional to 1,252,418.96, 1,728,338.78 and 679,458.98 is: 937,653.73
Step by Step Solution
- Step 1: Write the proportion equation
1,252,418.96 : 1,728,338.78 = 679,458.98 : x - Step 2: Convert to fraction form
1,252,418.96/1,728,338.78 = 679,458.98/x - Step 3: Cross multiply
1,252,418.96x = 1,728,338.78 × 679,458.98 - Step 4: Simplify right side
1,252,418.96x = 1,174,335,304,553.24 - Step 5: Solve for x
x = 1,174,335,304,553.24/1,252,418.96 - Step 6: Final answer
x = 937,653.73
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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.