Finding the Fourth Proportional to 1,252,387.04, 1,728,294.80 and 679,427.15
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Solution
The fourth proportional to 1,252,387.04, 1,728,294.80 and 679,427.15 is: 937,609.83
Step by Step Solution
- Step 1: Write the proportion equation
1,252,387.04 : 1,728,294.80 = 679,427.15 : x - Step 2: Convert to fraction form
1,252,387.04/1,728,294.80 = 679,427.15/x - Step 3: Cross multiply
1,252,387.04x = 1,728,294.80 × 679,427.15 - Step 4: Simplify right side
1,252,387.04x = 1,174,250,398,285.21 - Step 5: Solve for x
x = 1,174,250,398,285.21/1,252,387.04 - Step 6: Final answer
x = 937,609.83
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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.