Home / 1,194.39-1,789.97-543.69

Finding the Fourth Proportional to 1,194.39, 1,789.97 and 543.69

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Solution

The fourth proportional to 1,194.39, 1,789.97 and 543.69 is: 814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.39 : 1,789.97 = 543.69 : x
  2. Step 2: Convert to fraction form
    1,194.39/1,789.97 = 543.69/x
  3. Step 3: Cross multiply
    1,194.39x = 1,789.97 × 543.69
  4. Step 4: Simplify right side
    1,194.39x = 973,186.07
  5. Step 5: Solve for x
    x = 973,186.07/1,194.39
  6. Step 6: Final answer
    x = 814.80

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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.