Home / 1,318,679.68-1,978,831.68-519,825.28

Finding the Fourth Proportional to 1,318,679.68, 1,978,831.68 and 519,825.28

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Solution

The fourth proportional to 1,318,679.68, 1,978,831.68 and 519,825.28 is: 780,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,679.68 : 1,978,831.68 = 519,825.28 : x
  2. Step 2: Convert to fraction form
    1,318,679.68/1,978,831.68 = 519,825.28/x
  3. Step 3: Cross multiply
    1,318,679.68x = 1,978,831.68 × 519,825.28
  4. Step 4: Simplify right side
    1,318,679.68x = 1,028,646,732,128.87
  5. Step 5: Solve for x
    x = 1,028,646,732,128.87/1,318,679.68
  6. Step 6: Final answer
    x = 780,058.07

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