Finding the Fourth Proportional to 1,252,805.94, 1,728,872.22 and 679,846.14
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Solution
The fourth proportional to 1,252,805.94, 1,728,872.22 and 679,846.14 is: 938,187.69
Step by Step Solution
- Step 1: Write the proportion equation
1,252,805.94 : 1,728,872.22 = 679,846.14 : x - Step 2: Convert to fraction form
1,252,805.94/1,728,872.22 = 679,846.14/x - Step 3: Cross multiply
1,252,805.94x = 1,728,872.22 × 679,846.14 - Step 4: Simplify right side
1,252,805.94x = 1,175,367,105,320.23 - Step 5: Solve for x
x = 1,175,367,105,320.23/1,252,805.94 - Step 6: Final answer
x = 938,187.69
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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.