Finding the Fourth Proportional to 1,173,638.38, 1,619,508.99 and 932,504.62
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Solution
The fourth proportional to 1,173,638.38, 1,619,508.99 and 932,504.62 is: 1,286,767.41
Step by Step Solution
- Step 1: Write the proportion equation
1,173,638.38 : 1,619,508.99 = 932,504.62 : x - Step 2: Convert to fraction form
1,173,638.38/1,619,508.99 = 932,504.62/x - Step 3: Cross multiply
1,173,638.38x = 1,619,508.99 × 932,504.62 - Step 4: Simplify right side
1,173,638.38x = 1,510,199,615,306.53 - Step 5: Solve for x
x = 1,510,199,615,306.53/1,173,638.38 - Step 6: Final answer
x = 1,286,767.41
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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.