Home / 1,338,167.70-2,007,251.55-439,748.10

Finding the Fourth Proportional to 1,338,167.70, 2,007,251.55 and 439,748.10

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Solution

The fourth proportional to 1,338,167.70, 2,007,251.55 and 439,748.10 is: 659,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,167.70 : 2,007,251.55 = 439,748.10 : x
  2. Step 2: Convert to fraction form
    1,338,167.70/2,007,251.55 = 439,748.10/x
  3. Step 3: Cross multiply
    1,338,167.70x = 2,007,251.55 × 439,748.10
  4. Step 4: Simplify right side
    1,338,167.70x = 882,685,055,334.56
  5. Step 5: Solve for x
    x = 882,685,055,334.56/1,338,167.70
  6. Step 6: Final answer
    x = 659,622.15

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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.