Home / 981,181.44-1,470,540.96-419,555.52

Finding the Fourth Proportional to 981,181.44, 1,470,540.96 and 419,555.52

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Solution

The fourth proportional to 981,181.44, 1,470,540.96 and 419,555.52 is: 628,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,181.44 : 1,470,540.96 = 419,555.52 : x
  2. Step 2: Convert to fraction form
    981,181.44/1,470,540.96 = 419,555.52/x
  3. Step 3: Cross multiply
    981,181.44x = 1,470,540.96 × 419,555.52
  4. Step 4: Simplify right side
    981,181.44x = 616,973,577,154.10
  5. Step 5: Solve for x
    x = 616,973,577,154.10/981,181.44
  6. Step 6: Final answer
    x = 628,806.82

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