Home / 1,255,139.35-1,732,086.21-682,179.58

Finding the Fourth Proportional to 1,255,139.35, 1,732,086.21 and 682,179.58

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Solution

The fourth proportional to 1,255,139.35, 1,732,086.21 and 682,179.58 is: 941,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,139.35 : 1,732,086.21 = 682,179.58 : x
  2. Step 2: Convert to fraction form
    1,255,139.35/1,732,086.21 = 682,179.58/x
  3. Step 3: Cross multiply
    1,255,139.35x = 1,732,086.21 × 682,179.58
  4. Step 4: Simplify right side
    1,255,139.35x = 1,181,593,843,261.59
  5. Step 5: Solve for x
    x = 1,181,593,843,261.59/1,255,139.35
  6. Step 6: Final answer
    x = 941,404.51

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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.