Home / 1,318,988.40-1,978,093.80-520,004.40

Finding the Fourth Proportional to 1,318,988.40, 1,978,093.80 and 520,004.40

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Solution

The fourth proportional to 1,318,988.40, 1,978,093.80 and 520,004.40 is: 779,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,988.40 : 1,978,093.80 = 520,004.40 : x
  2. Step 2: Convert to fraction form
    1,318,988.40/1,978,093.80 = 520,004.40/x
  3. Step 3: Cross multiply
    1,318,988.40x = 1,978,093.80 × 520,004.40
  4. Step 4: Simplify right side
    1,318,988.40x = 1,028,617,479,612.72
  5. Step 5: Solve for x
    x = 1,028,617,479,612.72/1,318,988.40
  6. Step 6: Final answer
    x = 779,853.32

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