Home / 1,264,123.89-1,744,479.05-691,157.97

Finding the Fourth Proportional to 1,264,123.89, 1,744,479.05 and 691,157.97

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Solution

The fourth proportional to 1,264,123.89, 1,744,479.05 and 691,157.97 is: 953,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,123.89 : 1,744,479.05 = 691,157.97 : x
  2. Step 2: Convert to fraction form
    1,264,123.89/1,744,479.05 = 691,157.97/x
  3. Step 3: Cross multiply
    1,264,123.89x = 1,744,479.05 × 691,157.97
  4. Step 4: Simplify right side
    1,264,123.89x = 1,205,710,595,449.74
  5. Step 5: Solve for x
    x = 1,205,710,595,449.74/1,264,123.89
  6. Step 6: Final answer
    x = 953,791.48

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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.