Finding the Fourth Proportional to 1,252,842.84, 1,728,924.21 and 679,882.95
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Solution
The fourth proportional to 1,252,842.84, 1,728,924.21 and 679,882.95 is: 938,239.06
Step by Step Solution
- Step 1: Write the proportion equation
1,252,842.84 : 1,728,924.21 = 679,882.95 : x - Step 2: Convert to fraction form
1,252,842.84/1,728,924.21 = 679,882.95/x - Step 3: Cross multiply
1,252,842.84x = 1,728,924.21 × 679,882.95 - Step 4: Simplify right side
1,252,842.84x = 1,175,466,092,221.22 - Step 5: Solve for x
x = 1,175,466,092,221.22/1,252,842.84 - Step 6: Final answer
x = 938,239.06
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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.