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Finding the Fourth Proportional to 978,568.20, 1,467,852.30 and 679,969.80

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Solution

The fourth proportional to 978,568.20, 1,467,852.30 and 679,969.80 is: 1,019,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,568.20 : 1,467,852.30 = 679,969.80 : x
  2. Step 2: Convert to fraction form
    978,568.20/1,467,852.30 = 679,969.80/x
  3. Step 3: Cross multiply
    978,568.20x = 1,467,852.30 × 679,969.80
  4. Step 4: Simplify right side
    978,568.20x = 998,095,234,860.54
  5. Step 5: Solve for x
    x = 998,095,234,860.54/978,568.20
  6. Step 6: Final answer
    x = 1,019,954.70

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