Home / 1,002,081.28-1,502,983.68-553,630.72

Finding the Fourth Proportional to 1,002,081.28, 1,502,983.68 and 553,630.72

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Solution

The fourth proportional to 1,002,081.28, 1,502,983.68 and 553,630.72 is: 830,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,081.28 : 1,502,983.68 = 553,630.72 : x
  2. Step 2: Convert to fraction form
    1,002,081.28/1,502,983.68 = 553,630.72/x
  3. Step 3: Cross multiply
    1,002,081.28x = 1,502,983.68 × 553,630.72
  4. Step 4: Simplify right side
    1,002,081.28x = 832,097,936,906.65
  5. Step 5: Solve for x
    x = 832,097,936,906.65/1,002,081.28
  6. Step 6: Final answer
    x = 830,369.71

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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.