Finding the Fourth Proportional to 1,252,042.26, 1,727,841.87 and 768,365.34
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Solution
The fourth proportional to 1,252,042.26, 1,727,841.87 and 768,365.34 is: 1,060,358.62
Step by Step Solution
- Step 1: Write the proportion equation
1,252,042.26 : 1,727,841.87 = 768,365.34 : x - Step 2: Convert to fraction form
1,252,042.26/1,727,841.87 = 768,365.34/x - Step 3: Cross multiply
1,252,042.26x = 1,727,841.87 × 768,365.34 - Step 4: Simplify right side
1,252,042.26x = 1,327,613,805,908.79 - Step 5: Solve for x
x = 1,327,613,805,908.79/1,252,042.26 - Step 6: Final answer
x = 1,060,358.62
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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.