Home / 1,319,690.80-1,978,734.30-520,050.70

Finding the Fourth Proportional to 1,319,690.80, 1,978,734.30 and 520,050.70

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Solution

The fourth proportional to 1,319,690.80, 1,978,734.30 and 520,050.70 is: 779,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,690.80 : 1,978,734.30 = 520,050.70 : x
  2. Step 2: Convert to fraction form
    1,319,690.80/1,978,734.30 = 520,050.70/x
  3. Step 3: Cross multiply
    1,319,690.80x = 1,978,734.30 × 520,050.70
  4. Step 4: Simplify right side
    1,319,690.80x = 1,029,042,157,829.01
  5. Step 5: Solve for x
    x = 1,029,042,157,829.01/1,319,690.80
  6. Step 6: Final answer
    x = 779,760.05

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