Finding the Fourth Proportional to 1,117,635.52, 1,542,370.04 and 791,531.96
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Solution
The fourth proportional to 1,117,635.52, 1,542,370.04 and 791,531.96 is: 1,092,337.49
Step by Step Solution
- Step 1: Write the proportion equation
1,117,635.52 : 1,542,370.04 = 791,531.96 : x - Step 2: Convert to fraction form
1,117,635.52/1,542,370.04 = 791,531.96/x - Step 3: Cross multiply
1,117,635.52x = 1,542,370.04 × 791,531.96 - Step 4: Simplify right side
1,117,635.52x = 1,220,835,180,806.48 - Step 5: Solve for x
x = 1,220,835,180,806.48/1,117,635.52 - Step 6: Final answer
x = 1,092,337.49
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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.