Home / 1,255,654.28-1,732,819.97-682,693.09

Finding the Fourth Proportional to 1,255,654.28, 1,732,819.97 and 682,693.09

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Solution

The fourth proportional to 1,255,654.28, 1,732,819.97 and 682,693.09 is: 942,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,654.28 : 1,732,819.97 = 682,693.09 : x
  2. Step 2: Convert to fraction form
    1,255,654.28/1,732,819.97 = 682,693.09/x
  3. Step 3: Cross multiply
    1,255,654.28x = 1,732,819.97 × 682,693.09
  4. Step 4: Simplify right side
    1,255,654.28x = 1,182,984,219,733.01
  5. Step 5: Solve for x
    x = 1,182,984,219,733.01/1,255,654.28
  6. Step 6: Final answer
    x = 942,125.74

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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.