Home / 1,667,162.13-2,300,694.78-903,215.70

Finding the Fourth Proportional to 1,667,162.13, 2,300,694.78 and 903,215.70

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Solution

The fourth proportional to 1,667,162.13, 2,300,694.78 and 903,215.70 is: 1,246,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,162.13 : 2,300,694.78 = 903,215.70 : x
  2. Step 2: Convert to fraction form
    1,667,162.13/2,300,694.78 = 903,215.70/x
  3. Step 3: Cross multiply
    1,667,162.13x = 2,300,694.78 × 903,215.70
  4. Step 4: Simplify right side
    1,667,162.13x = 2,078,023,646,204.05
  5. Step 5: Solve for x
    x = 2,078,023,646,204.05/1,667,162.13
  6. Step 6: Final answer
    x = 1,246,443.65

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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.