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Finding the Fourth Proportional to 978,281.40, 1,467,422.10 and 800,988.60

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Solution

The fourth proportional to 978,281.40, 1,467,422.10 and 800,988.60 is: 1,201,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,281.40 : 1,467,422.10 = 800,988.60 : x
  2. Step 2: Convert to fraction form
    978,281.40/1,467,422.10 = 800,988.60/x
  3. Step 3: Cross multiply
    978,281.40x = 1,467,422.10 × 800,988.60
  4. Step 4: Simplify right side
    978,281.40x = 1,175,388,373,488.06
  5. Step 5: Solve for x
    x = 1,175,388,373,488.06/978,281.40
  6. Step 6: Final answer
    x = 1,201,482.90

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