Home / 1,383,919.20-2,074,195.69-979,228.01

Finding the Fourth Proportional to 1,383,919.20, 2,074,195.69 and 979,228.01

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Solution

The fourth proportional to 1,383,919.20, 2,074,195.69 and 979,228.01 is: 1,467,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,919.20 : 2,074,195.69 = 979,228.01 : x
  2. Step 2: Convert to fraction form
    1,383,919.20/2,074,195.69 = 979,228.01/x
  3. Step 3: Cross multiply
    1,383,919.20x = 2,074,195.69 × 979,228.01
  4. Step 4: Simplify right side
    1,383,919.20x = 2,031,110,520,606.70
  5. Step 5: Solve for x
    x = 2,031,110,520,606.70/1,383,919.20
  6. Step 6: Final answer
    x = 1,467,651.09

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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.