Home / 1,013,455.26-1,397,958.90-669,294.36

Finding the Fourth Proportional to 1,013,455.26, 1,397,958.90 and 669,294.36

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Solution

The fourth proportional to 1,013,455.26, 1,397,958.90 and 669,294.36 is: 923,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,455.26 : 1,397,958.90 = 669,294.36 : x
  2. Step 2: Convert to fraction form
    1,013,455.26/1,397,958.90 = 669,294.36/x
  3. Step 3: Cross multiply
    1,013,455.26x = 1,397,958.90 × 669,294.36
  4. Step 4: Simplify right side
    1,013,455.26x = 935,646,007,281.80
  5. Step 5: Solve for x
    x = 935,646,007,281.80/1,013,455.26
  6. Step 6: Final answer
    x = 923,223.79

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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.