Home / 1,209,882.59-1,815,097.31-400,265.11

Finding the Fourth Proportional to 1,209,882.59, 1,815,097.31 and 400,265.11

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Solution

The fourth proportional to 1,209,882.59, 1,815,097.31 and 400,265.11 is: 600,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,882.59 : 1,815,097.31 = 400,265.11 : x
  2. Step 2: Convert to fraction form
    1,209,882.59/1,815,097.31 = 400,265.11/x
  3. Step 3: Cross multiply
    1,209,882.59x = 1,815,097.31 × 400,265.11
  4. Step 4: Simplify right side
    1,209,882.59x = 726,520,126,216.39
  5. Step 5: Solve for x
    x = 726,520,126,216.39/1,209,882.59
  6. Step 6: Final answer
    x = 600,488.12

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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.