Finding the Fourth Proportional to 1,252,387.30, 1,728,295.11 and 679,427.41
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Solution
The fourth proportional to 1,252,387.30, 1,728,295.11 and 679,427.41 is: 937,610.17
Step by Step Solution
- Step 1: Write the proportion equation
1,252,387.30 : 1,728,295.11 = 679,427.41 : x - Step 2: Convert to fraction form
1,252,387.30/1,728,295.11 = 679,427.41/x - Step 3: Cross multiply
1,252,387.30x = 1,728,295.11 × 679,427.41 - Step 4: Simplify right side
1,252,387.30x = 1,174,251,070,302.97 - Step 5: Solve for x
x = 1,174,251,070,302.97/1,252,387.30 - Step 6: Final answer
x = 937,610.17
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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.