Home / 1,329,836.40-1,996,007.40-699,202.80

Finding the Fourth Proportional to 1,329,836.40, 1,996,007.40 and 699,202.80

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Solution

The fourth proportional to 1,329,836.40, 1,996,007.40 and 699,202.80 is: 1,049,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,836.40 : 1,996,007.40 = 699,202.80 : x
  2. Step 2: Convert to fraction form
    1,329,836.40/1,996,007.40 = 699,202.80/x
  3. Step 3: Cross multiply
    1,329,836.40x = 1,996,007.40 × 699,202.80
  4. Step 4: Simplify right side
    1,329,836.40x = 1,395,613,962,900.72
  5. Step 5: Solve for x
    x = 1,395,613,962,900.72/1,329,836.40
  6. Step 6: Final answer
    x = 1,049,462.90

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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.