Home / 1,287,169.04-1,931,065.72-388,557.10

Finding the Fourth Proportional to 1,287,169.04, 1,931,065.72 and 388,557.10

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Solution

The fourth proportional to 1,287,169.04, 1,931,065.72 and 388,557.10 is: 582,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,169.04 : 1,931,065.72 = 388,557.10 : x
  2. Step 2: Convert to fraction form
    1,287,169.04/1,931,065.72 = 388,557.10/x
  3. Step 3: Cross multiply
    1,287,169.04x = 1,931,065.72 × 388,557.10
  4. Step 4: Simplify right side
    1,287,169.04x = 750,329,297,515.05
  5. Step 5: Solve for x
    x = 750,329,297,515.05/1,287,169.04
  6. Step 6: Final answer
    x = 582,929.88

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