Home / 1,351,285.12-2,022,886.72-817,189.76

Finding the Fourth Proportional to 1,351,285.12, 2,022,886.72 and 817,189.76

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Solution

The fourth proportional to 1,351,285.12, 2,022,886.72 and 817,189.76 is: 1,223,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,285.12 : 2,022,886.72 = 817,189.76 : x
  2. Step 2: Convert to fraction form
    1,351,285.12/2,022,886.72 = 817,189.76/x
  3. Step 3: Cross multiply
    1,351,285.12x = 2,022,886.72 × 817,189.76
  4. Step 4: Simplify right side
    1,351,285.12x = 1,653,082,313,223.99
  5. Step 5: Solve for x
    x = 1,653,082,313,223.99/1,351,285.12
  6. Step 6: Final answer
    x = 1,223,340.87

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