Home / 1,319,689.80-1,978,732.80-520,049.70

Finding the Fourth Proportional to 1,319,689.80, 1,978,732.80 and 520,049.70

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Solution

The fourth proportional to 1,319,689.80, 1,978,732.80 and 520,049.70 is: 779,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,689.80 : 1,978,732.80 = 520,049.70 : x
  2. Step 2: Convert to fraction form
    1,319,689.80/1,978,732.80 = 520,049.70/x
  3. Step 3: Cross multiply
    1,319,689.80x = 1,978,732.80 × 520,049.70
  4. Step 4: Simplify right side
    1,319,689.80x = 1,029,039,399,020.16
  5. Step 5: Solve for x
    x = 1,029,039,399,020.16/1,319,689.80
  6. Step 6: Final answer
    x = 779,758.55

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