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Finding the Fourth Proportional to 978,086.60, 1,467,129.90 and 971,865.80

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Solution

The fourth proportional to 978,086.60, 1,467,129.90 and 971,865.80 is: 1,457,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,086.60 : 1,467,129.90 = 971,865.80 : x
  2. Step 2: Convert to fraction form
    978,086.60/1,467,129.90 = 971,865.80/x
  3. Step 3: Cross multiply
    978,086.60x = 1,467,129.90 × 971,865.80
  4. Step 4: Simplify right side
    978,086.60x = 1,425,853,373,967.42
  5. Step 5: Solve for x
    x = 1,425,853,373,967.42/978,086.60
  6. Step 6: Final answer
    x = 1,457,798.70

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