Home / 1,479,262.80-2,219,195.68-669,258.15

Finding the Fourth Proportional to 1,479,262.80, 2,219,195.68 and 669,258.15

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Solution

The fourth proportional to 1,479,262.80, 2,219,195.68 and 669,258.15 is: 1,004,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,262.80 : 2,219,195.68 = 669,258.15 : x
  2. Step 2: Convert to fraction form
    1,479,262.80/2,219,195.68 = 669,258.15/x
  3. Step 3: Cross multiply
    1,479,262.80x = 2,219,195.68 × 669,258.15
  4. Step 4: Simplify right side
    1,479,262.80x = 1,485,214,785,289.66
  5. Step 5: Solve for x
    x = 1,485,214,785,289.66/1,479,262.80
  6. Step 6: Final answer
    x = 1,004,023.61

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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.