Finding the Fourth Proportional to 1,134,262.80, 1,703,928.60 and 947,638.80
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Solution
The fourth proportional to 1,134,262.80, 1,703,928.60 and 947,638.80 is: 1,423,575.61
Step by Step Solution
- Step 1: Write the proportion equation
1,134,262.80 : 1,703,928.60 = 947,638.80 : x - Step 2: Convert to fraction form
1,134,262.80/1,703,928.60 = 947,638.80/x - Step 3: Cross multiply
1,134,262.80x = 1,703,928.60 × 947,638.80 - Step 4: Simplify right side
1,134,262.80x = 1,614,708,853,789.68 - Step 5: Solve for x
x = 1,614,708,853,789.68/1,134,262.80 - Step 6: Final answer
x = 1,423,575.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.