Home / 1,319,704.80-1,978,755.30-520,064.70

Finding the Fourth Proportional to 1,319,704.80, 1,978,755.30 and 520,064.70

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Solution

The fourth proportional to 1,319,704.80, 1,978,755.30 and 520,064.70 is: 779,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,704.80 : 1,978,755.30 = 520,064.70 : x
  2. Step 2: Convert to fraction form
    1,319,704.80/1,978,755.30 = 520,064.70/x
  3. Step 3: Cross multiply
    1,319,704.80x = 1,978,755.30 × 520,064.70
  4. Step 4: Simplify right side
    1,319,704.80x = 1,029,080,781,467.91
  5. Step 5: Solve for x
    x = 1,029,080,781,467.91/1,319,704.80
  6. Step 6: Final answer
    x = 779,781.04

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