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Finding the Fourth Proportional to 978,222.70, 1,464,381.60 and 978,222.70

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Solution

The fourth proportional to 978,222.70, 1,464,381.60 and 978,222.70 is: 1,464,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,222.70 : 1,464,381.60 = 978,222.70 : x
  2. Step 2: Convert to fraction form
    978,222.70/1,464,381.60 = 978,222.70/x
  3. Step 3: Cross multiply
    978,222.70x = 1,464,381.60 × 978,222.70
  4. Step 4: Simplify right side
    978,222.70x = 1,432,491,322,582.32
  5. Step 5: Solve for x
    x = 1,432,491,322,582.32/978,222.70
  6. Step 6: Final answer
    x = 1,464,381.60

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