Home / 1,228,292.11-1,695,020.38-669,491.30

Finding the Fourth Proportional to 1,228,292.11, 1,695,020.38 and 669,491.30

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Solution

The fourth proportional to 1,228,292.11, 1,695,020.38 and 669,491.30 is: 923,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,292.11 : 1,695,020.38 = 669,491.30 : x
  2. Step 2: Convert to fraction form
    1,228,292.11/1,695,020.38 = 669,491.30/x
  3. Step 3: Cross multiply
    1,228,292.11x = 1,695,020.38 × 669,491.30
  4. Step 4: Simplify right side
    1,228,292.11x = 1,134,801,397,732.69
  5. Step 5: Solve for x
    x = 1,134,801,397,732.69/1,228,292.11
  6. Step 6: Final answer
    x = 923,885.60

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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.