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Finding the Fourth Proportional to 1,138.05, 1,707.48 and 590.22

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Solution

The fourth proportional to 1,138.05, 1,707.48 and 590.22 is: 885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138.05 : 1,707.48 = 590.22 : x
  2. Step 2: Convert to fraction form
    1,138.05/1,707.48 = 590.22/x
  3. Step 3: Cross multiply
    1,138.05x = 1,707.48 × 590.22
  4. Step 4: Simplify right side
    1,138.05x = 1,007,788.85
  5. Step 5: Solve for x
    x = 1,007,788.85/1,138.05
  6. Step 6: Final answer
    x = 885.54

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