Home / 1,200,786.62-1,799,397.50-667,574.14

Finding the Fourth Proportional to 1,200,786.62, 1,799,397.50 and 667,574.14

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Solution

The fourth proportional to 1,200,786.62, 1,799,397.50 and 667,574.14 is: 1,000,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,786.62 : 1,799,397.50 = 667,574.14 : x
  2. Step 2: Convert to fraction form
    1,200,786.62/1,799,397.50 = 667,574.14/x
  3. Step 3: Cross multiply
    1,200,786.62x = 1,799,397.50 × 667,574.14
  4. Step 4: Simplify right side
    1,200,786.62x = 1,201,231,238,580.65
  5. Step 5: Solve for x
    x = 1,201,231,238,580.65/1,200,786.62
  6. Step 6: Final answer
    x = 1,000,370.27

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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.