Finding the Fourth Proportional to 1,263,789.18, 1,744,056.09 and 690,882.66
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Solution
The fourth proportional to 1,263,789.18, 1,744,056.09 and 690,882.66 is: 953,432.84
Step by Step Solution
- Step 1: Write the proportion equation
1,263,789.18 : 1,744,056.09 = 690,882.66 : x - Step 2: Convert to fraction form
1,263,789.18/1,744,056.09 = 690,882.66/x - Step 3: Cross multiply
1,263,789.18x = 1,744,056.09 × 690,882.66 - Step 4: Simplify right side
1,263,789.18x = 1,204,938,110,648.40 - Step 5: Solve for x
x = 1,204,938,110,648.40/1,263,789.18 - Step 6: Final answer
x = 953,432.84
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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.