Home / 1,025,719.70-1,538,863.95-426,962.90

Finding the Fourth Proportional to 1,025,719.70, 1,538,863.95 and 426,962.90

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Solution

The fourth proportional to 1,025,719.70, 1,538,863.95 and 426,962.90 is: 640,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,719.70 : 1,538,863.95 = 426,962.90 : x
  2. Step 2: Convert to fraction form
    1,025,719.70/1,538,863.95 = 426,962.90/x
  3. Step 3: Cross multiply
    1,025,719.70x = 1,538,863.95 × 426,962.90
  4. Step 4: Simplify right side
    1,025,719.70x = 657,037,814,797.46
  5. Step 5: Solve for x
    x = 657,037,814,797.46/1,025,719.70
  6. Step 6: Final answer
    x = 640,562.73

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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.