Home / 1,224,455.30-1,836,723.96-425,743.76

Finding the Fourth Proportional to 1,224,455.30, 1,836,723.96 and 425,743.76

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Solution

The fourth proportional to 1,224,455.30, 1,836,723.96 and 425,743.76 is: 638,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,455.30 : 1,836,723.96 = 425,743.76 : x
  2. Step 2: Convert to fraction form
    1,224,455.30/1,836,723.96 = 425,743.76/x
  3. Step 3: Cross multiply
    1,224,455.30x = 1,836,723.96 × 425,743.76
  4. Step 4: Simplify right side
    1,224,455.30x = 781,973,769,404.30
  5. Step 5: Solve for x
    x = 781,973,769,404.30/1,224,455.30
  6. Step 6: Final answer
    x = 638,629.90

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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.