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Finding the Fourth Proportional to 978,569.20, 1,467,853.80 and 679,970.80

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Solution

The fourth proportional to 978,569.20, 1,467,853.80 and 679,970.80 is: 1,019,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,569.20 : 1,467,853.80 = 679,970.80 : x
  2. Step 2: Convert to fraction form
    978,569.20/1,467,853.80 = 679,970.80/x
  3. Step 3: Cross multiply
    978,569.20x = 1,467,853.80 × 679,970.80
  4. Step 4: Simplify right side
    978,569.20x = 998,097,722,669.04
  5. Step 5: Solve for x
    x = 998,097,722,669.04/978,569.20
  6. Step 6: Final answer
    x = 1,019,956.20

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