Finding the Fourth Proportional to 1,263,845.20, 1,744,106.52 and 690,887.92
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Solution
The fourth proportional to 1,263,845.20, 1,744,106.52 and 690,887.92 is: 953,425.41
Step by Step Solution
- Step 1: Write the proportion equation
1,263,845.20 : 1,744,106.52 = 690,887.92 : x - Step 2: Convert to fraction form
1,263,845.20/1,744,106.52 = 690,887.92/x - Step 3: Cross multiply
1,263,845.20x = 1,744,106.52 × 690,887.92 - Step 4: Simplify right side
1,263,845.20x = 1,204,982,125,861.24 - Step 5: Solve for x
x = 1,204,982,125,861.24/1,263,845.20 - Step 6: Final answer
x = 953,425.41
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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.