Home / 1,025,701.20-1,538,836.20-426,944.40

Finding the Fourth Proportional to 1,025,701.20, 1,538,836.20 and 426,944.40

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Solution

The fourth proportional to 1,025,701.20, 1,538,836.20 and 426,944.40 is: 640,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,701.20 : 1,538,836.20 = 426,944.40 : x
  2. Step 2: Convert to fraction form
    1,025,701.20/1,538,836.20 = 426,944.40/x
  3. Step 3: Cross multiply
    1,025,701.20x = 1,538,836.20 × 426,944.40
  4. Step 4: Simplify right side
    1,025,701.20x = 656,997,498,107.28
  5. Step 5: Solve for x
    x = 656,997,498,107.28/1,025,701.20
  6. Step 6: Final answer
    x = 640,534.98

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1.5x scale

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.