Finding the Fourth Proportional to 1,252,427.11, 1,728,352.69 and 679,467.29
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Solution
The fourth proportional to 1,252,427.11, 1,728,352.69 and 679,467.29 is: 937,666.63
Step by Step Solution
- Step 1: Write the proportion equation
1,252,427.11 : 1,728,352.69 = 679,467.29 : x - Step 2: Convert to fraction form
1,252,427.11/1,728,352.69 = 679,467.29/x - Step 3: Cross multiply
1,252,427.11x = 1,728,352.69 × 679,467.29 - Step 4: Simplify right side
1,252,427.11x = 1,174,359,108,098.08 - Step 5: Solve for x
x = 1,174,359,108,098.08/1,252,427.11 - Step 6: Final answer
x = 937,666.63
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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.