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Finding the Fourth Proportional to 978,490.29, 1,465,825.41 and 674,166.48

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Solution

The fourth proportional to 978,490.29, 1,465,825.41 and 674,166.48 is: 1,009,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,490.29 : 1,465,825.41 = 674,166.48 : x
  2. Step 2: Convert to fraction form
    978,490.29/1,465,825.41 = 674,166.48/x
  3. Step 3: Cross multiply
    978,490.29x = 1,465,825.41 × 674,166.48
  4. Step 4: Simplify right side
    978,490.29x = 988,210,356,954.26
  5. Step 5: Solve for x
    x = 988,210,356,954.26/978,490.29
  6. Step 6: Final answer
    x = 1,009,933.74

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