Home / 1,318,666.68-1,978,812.18-519,812.28

Finding the Fourth Proportional to 1,318,666.68, 1,978,812.18 and 519,812.28

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Solution

The fourth proportional to 1,318,666.68, 1,978,812.18 and 519,812.28 is: 780,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,666.68 : 1,978,812.18 = 519,812.28 : x
  2. Step 2: Convert to fraction form
    1,318,666.68/1,978,812.18 = 519,812.28/x
  3. Step 3: Cross multiply
    1,318,666.68x = 1,978,812.18 × 519,812.28
  4. Step 4: Simplify right side
    1,318,666.68x = 1,028,610,870,977.57
  5. Step 5: Solve for x
    x = 1,028,610,870,977.57/1,318,666.68
  6. Step 6: Final answer
    x = 780,038.57

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