Home / 1,318,923.60-1,978,903.80-520,069.20

Finding the Fourth Proportional to 1,318,923.60, 1,978,903.80 and 520,069.20

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Solution

The fourth proportional to 1,318,923.60, 1,978,903.80 and 520,069.20 is: 780,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,923.60 : 1,978,903.80 = 520,069.20 : x
  2. Step 2: Convert to fraction form
    1,318,923.60/1,978,903.80 = 520,069.20/x
  3. Step 3: Cross multiply
    1,318,923.60x = 1,978,903.80 × 520,069.20
  4. Step 4: Simplify right side
    1,318,923.60x = 1,029,166,916,142.96
  5. Step 5: Solve for x
    x = 1,029,166,916,142.96/1,318,923.60
  6. Step 6: Final answer
    x = 780,308.21

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