Finding the Fourth Proportional to 1,252,042.76, 1,727,842.56 and 768,365.84
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Solution
The fourth proportional to 1,252,042.76, 1,727,842.56 and 768,365.84 is: 1,060,359.31
Step by Step Solution
- Step 1: Write the proportion equation
1,252,042.76 : 1,727,842.56 = 768,365.84 : x - Step 2: Convert to fraction form
1,252,042.76/1,727,842.56 = 768,365.84/x - Step 3: Cross multiply
1,252,042.76x = 1,727,842.56 × 768,365.84 - Step 4: Simplify right side
1,252,042.76x = 1,327,615,200,002.15 - Step 5: Solve for x
x = 1,327,615,200,002.15/1,252,042.76 - Step 6: Final answer
x = 1,060,359.31
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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.