Home / 719,551.20-1,078,135.92-645,378.24

Finding the Fourth Proportional to 719,551.20, 1,078,135.92 and 645,378.24

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Solution

The fourth proportional to 719,551.20, 1,078,135.92 and 645,378.24 is: 966,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,551.20 : 1,078,135.92 = 645,378.24 : x
  2. Step 2: Convert to fraction form
    719,551.20/1,078,135.92 = 645,378.24/x
  3. Step 3: Cross multiply
    719,551.20x = 1,078,135.92 × 645,378.24
  4. Step 4: Simplify right side
    719,551.20x = 695,805,462,530.38
  5. Step 5: Solve for x
    x = 695,805,462,530.38/719,551.20
  6. Step 6: Final answer
    x = 966,999.24

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