Finding the Fourth Proportional to 1,252,862.18, 1,728,962.49 and 679,907.30
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Solution
The fourth proportional to 1,252,862.18, 1,728,962.49 and 679,907.30 is: 938,278.96
Step by Step Solution
- Step 1: Write the proportion equation
1,252,862.18 : 1,728,962.49 = 679,907.30 : x - Step 2: Convert to fraction form
1,252,862.18/1,728,962.49 = 679,907.30/x - Step 3: Cross multiply
1,252,862.18x = 1,728,962.49 × 679,907.30 - Step 4: Simplify right side
1,252,862.18x = 1,175,534,218,377.18 - Step 5: Solve for x
x = 1,175,534,218,377.18/1,252,862.18 - Step 6: Final answer
x = 938,278.96
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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.