Home / 1,266,042.56-1,899,063.84-424,591.88

Finding the Fourth Proportional to 1,266,042.56, 1,899,063.84 and 424,591.88

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Solution

The fourth proportional to 1,266,042.56, 1,899,063.84 and 424,591.88 is: 636,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,042.56 : 1,899,063.84 = 424,591.88 : x
  2. Step 2: Convert to fraction form
    1,266,042.56/1,899,063.84 = 424,591.88/x
  3. Step 3: Cross multiply
    1,266,042.56x = 1,899,063.84 × 424,591.88
  4. Step 4: Simplify right side
    1,266,042.56x = 806,327,086,065.62
  5. Step 5: Solve for x
    x = 806,327,086,065.62/1,266,042.56
  6. Step 6: Final answer
    x = 636,887.82

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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.