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Finding the Fourth Proportional to 978,365.90, 1,467,548.85 and 978,365.90

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Solution

The fourth proportional to 978,365.90, 1,467,548.85 and 978,365.90 is: 1,467,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,365.90 : 1,467,548.85 = 978,365.90 : x
  2. Step 2: Convert to fraction form
    978,365.90/1,467,548.85 = 978,365.90/x
  3. Step 3: Cross multiply
    978,365.90x = 1,467,548.85 × 978,365.90
  4. Step 4: Simplify right side
    978,365.90x = 1,435,799,751,424.22
  5. Step 5: Solve for x
    x = 1,435,799,751,424.22/978,365.90
  6. Step 6: Final answer
    x = 1,467,548.85

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