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Finding the Fourth Proportional to 1,194.78, 1,792.63 and 675.37

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Solution

The fourth proportional to 1,194.78, 1,792.63 and 675.37 is: 1,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.78 : 1,792.63 = 675.37 : x
  2. Step 2: Convert to fraction form
    1,194.78/1,792.63 = 675.37/x
  3. Step 3: Cross multiply
    1,194.78x = 1,792.63 × 675.37
  4. Step 4: Simplify right side
    1,194.78x = 1,210,686.83
  5. Step 5: Solve for x
    x = 1,210,686.83/1,194.78
  6. Step 6: Final answer
    x = 1,013.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.