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Finding the Fourth Proportional to 978,187.37, 1,349,912.36 and 590,948.95

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Solution

The fourth proportional to 978,187.37, 1,349,912.36 and 590,948.95 is: 815,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,187.37 : 1,349,912.36 = 590,948.95 : x
  2. Step 2: Convert to fraction form
    978,187.37/1,349,912.36 = 590,948.95/x
  3. Step 3: Cross multiply
    978,187.37x = 1,349,912.36 × 590,948.95
  4. Step 4: Simplify right side
    978,187.37x = 797,729,285,404.50
  5. Step 5: Solve for x
    x = 797,729,285,404.50/978,187.37
  6. Step 6: Final answer
    x = 815,517.88

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Why These Related Problems?

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