Home / 1,319,697.30-1,978,744.05-520,057.20

Finding the Fourth Proportional to 1,319,697.30, 1,978,744.05 and 520,057.20

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Solution

The fourth proportional to 1,319,697.30, 1,978,744.05 and 520,057.20 is: 779,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,697.30 : 1,978,744.05 = 520,057.20 : x
  2. Step 2: Convert to fraction form
    1,319,697.30/1,978,744.05 = 520,057.20/x
  3. Step 3: Cross multiply
    1,319,697.30x = 1,978,744.05 × 520,057.20
  4. Step 4: Simplify right side
    1,319,697.30x = 1,029,060,090,159.66
  5. Step 5: Solve for x
    x = 1,029,060,090,159.66/1,319,697.30
  6. Step 6: Final answer
    x = 779,769.79

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