Finding the Fourth Proportional to 1,291,536.10, 1,937,304.42 and 392,897.80
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Solution
The fourth proportional to 1,291,536.10, 1,937,304.42 and 392,897.80 is: 589,346.78
Step by Step Solution
- Step 1: Write the proportion equation
1,291,536.10 : 1,937,304.42 = 392,897.80 : x - Step 2: Convert to fraction form
1,291,536.10/1,937,304.42 = 392,897.80/x - Step 3: Cross multiply
1,291,536.10x = 1,937,304.42 × 392,897.80 - Step 4: Simplify right side
1,291,536.10x = 761,162,644,548.28 - Step 5: Solve for x
x = 761,162,644,548.28/1,291,536.10 - Step 6: Final answer
x = 589,346.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.