Home / 1,224,091.23-1,836,135.42-425,372.84

Finding the Fourth Proportional to 1,224,091.23, 1,836,135.42 and 425,372.84

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Solution

The fourth proportional to 1,224,091.23, 1,836,135.42 and 425,372.84 is: 638,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,091.23 : 1,836,135.42 = 425,372.84 : x
  2. Step 2: Convert to fraction form
    1,224,091.23/1,836,135.42 = 425,372.84/x
  3. Step 3: Cross multiply
    1,224,091.23x = 1,836,135.42 × 425,372.84
  4. Step 4: Simplify right side
    1,224,091.23x = 781,042,138,229.99
  5. Step 5: Solve for x
    x = 781,042,138,229.99/1,224,091.23
  6. Step 6: Final answer
    x = 638,058.76

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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.