Finding the Fourth Proportional to 1,252,842.44, 1,728,923.68 and 679,882.60
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Solution
The fourth proportional to 1,252,842.44, 1,728,923.68 and 679,882.60 is: 938,238.59
Step by Step Solution
- Step 1: Write the proportion equation
1,252,842.44 : 1,728,923.68 = 679,882.60 : x - Step 2: Convert to fraction form
1,252,842.44/1,728,923.68 = 679,882.60/x - Step 3: Cross multiply
1,252,842.44x = 1,728,923.68 × 679,882.60 - Step 4: Simplify right side
1,252,842.44x = 1,175,465,126,759.97 - Step 5: Solve for x
x = 1,175,465,126,759.97/1,252,842.44 - Step 6: Final answer
x = 938,238.59
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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.