Home / 1,268,209.06-1,750,151.04-687,451.22

Finding the Fourth Proportional to 1,268,209.06, 1,750,151.04 and 687,451.22

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Solution

The fourth proportional to 1,268,209.06, 1,750,151.04 and 687,451.22 is: 948,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,209.06 : 1,750,151.04 = 687,451.22 : x
  2. Step 2: Convert to fraction form
    1,268,209.06/1,750,151.04 = 687,451.22/x
  3. Step 3: Cross multiply
    1,268,209.06x = 1,750,151.04 × 687,451.22
  4. Step 4: Simplify right side
    1,268,209.06x = 1,203,143,467,632.27
  5. Step 5: Solve for x
    x = 1,203,143,467,632.27/1,268,209.06
  6. Step 6: Final answer
    x = 948,694.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.