Home / 2,128,285.68-3,189,656.16-864,636

Finding the Fourth Proportional to 2,128,285.68, 3,189,656.16 and 864,636

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Solution

The fourth proportional to 2,128,285.68, 3,189,656.16 and 864,636 is: 1,295,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,285.68 : 3,189,656.16 = 864,636 : x
  2. Step 2: Convert to fraction form
    2,128,285.68/3,189,656.16 = 864,636/x
  3. Step 3: Cross multiply
    2,128,285.68x = 3,189,656.16 × 864,636
  4. Step 4: Simplify right side
    2,128,285.68x = 2,757,891,543,557.76
  5. Step 5: Solve for x
    x = 2,757,891,543,557.76/2,128,285.68
  6. Step 6: Final answer
    x = 1,295,827.70

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