Home / 1,107,358.20-1,661,037.30-265,909.95

Finding the Fourth Proportional to 1,107,358.20, 1,661,037.30 and 265,909.95

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Solution

The fourth proportional to 1,107,358.20, 1,661,037.30 and 265,909.95 is: 398,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,358.20 : 1,661,037.30 = 265,909.95 : x
  2. Step 2: Convert to fraction form
    1,107,358.20/1,661,037.30 = 265,909.95/x
  3. Step 3: Cross multiply
    1,107,358.20x = 1,661,037.30 × 265,909.95
  4. Step 4: Simplify right side
    1,107,358.20x = 441,686,345,391.14
  5. Step 5: Solve for x
    x = 441,686,345,391.14/1,107,358.20
  6. Step 6: Final answer
    x = 398,864.93

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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.