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Finding the Fourth Proportional to 978,546.09, 1,466,402.58 and 674,628.33

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Solution

The fourth proportional to 978,546.09, 1,466,402.58 and 674,628.33 is: 1,010,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,546.09 : 1,466,402.58 = 674,628.33 : x
  2. Step 2: Convert to fraction form
    978,546.09/1,466,402.58 = 674,628.33/x
  3. Step 3: Cross multiply
    978,546.09x = 1,466,402.58 × 674,628.33
  4. Step 4: Simplify right side
    978,546.09x = 989,276,723,653.09
  5. Step 5: Solve for x
    x = 989,276,723,653.09/978,546.09
  6. Step 6: Final answer
    x = 1,010,965.89

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