Home / 1,100,848.32-1,519,221.85-687,629.79

Finding the Fourth Proportional to 1,100,848.32, 1,519,221.85 and 687,629.79

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Solution

The fourth proportional to 1,100,848.32, 1,519,221.85 and 687,629.79 is: 948,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,848.32 : 1,519,221.85 = 687,629.79 : x
  2. Step 2: Convert to fraction form
    1,100,848.32/1,519,221.85 = 687,629.79/x
  3. Step 3: Cross multiply
    1,100,848.32x = 1,519,221.85 × 687,629.79
  4. Step 4: Simplify right side
    1,100,848.32x = 1,044,662,201,320.39
  5. Step 5: Solve for x
    x = 1,044,662,201,320.39/1,100,848.32
  6. Step 6: Final answer
    x = 948,961.07

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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.