Home / 1,318,696.18-1,978,856.43-519,841.78

Finding the Fourth Proportional to 1,318,696.18, 1,978,856.43 and 519,841.78

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Solution

The fourth proportional to 1,318,696.18, 1,978,856.43 and 519,841.78 is: 780,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,696.18 : 1,978,856.43 = 519,841.78 : x
  2. Step 2: Convert to fraction form
    1,318,696.18/1,978,856.43 = 519,841.78/x
  3. Step 3: Cross multiply
    1,318,696.18x = 1,978,856.43 × 519,841.78
  4. Step 4: Simplify right side
    1,318,696.18x = 1,028,692,248,935.65
  5. Step 5: Solve for x
    x = 1,028,692,248,935.65/1,318,696.18
  6. Step 6: Final answer
    x = 780,082.83

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