Home / 1,318,697.18-1,978,857.93-519,842.78

Finding the Fourth Proportional to 1,318,697.18, 1,978,857.93 and 519,842.78

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Solution

The fourth proportional to 1,318,697.18, 1,978,857.93 and 519,842.78 is: 780,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,697.18 : 1,978,857.93 = 519,842.78 : x
  2. Step 2: Convert to fraction form
    1,318,697.18/1,978,857.93 = 519,842.78/x
  3. Step 3: Cross multiply
    1,318,697.18x = 1,978,857.93 × 519,842.78
  4. Step 4: Simplify right side
    1,318,697.18x = 1,028,695,007,556.25
  5. Step 5: Solve for x
    x = 1,028,695,007,556.25/1,318,697.18
  6. Step 6: Final answer
    x = 780,084.33

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