Home / 1,255,579.92-1,732,679.10-682,634.52

Finding the Fourth Proportional to 1,255,579.92, 1,732,679.10 and 682,634.52

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Solution

The fourth proportional to 1,255,579.92, 1,732,679.10 and 682,634.52 is: 942,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,579.92 : 1,732,679.10 = 682,634.52 : x
  2. Step 2: Convert to fraction form
    1,255,579.92/1,732,679.10 = 682,634.52/x
  3. Step 3: Cross multiply
    1,255,579.92x = 1,732,679.10 × 682,634.52
  4. Step 4: Simplify right side
    1,255,579.92x = 1,182,786,565,742.53
  5. Step 5: Solve for x
    x = 1,182,786,565,742.53/1,255,579.92
  6. Step 6: Final answer
    x = 942,024.12

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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.