Home / 1,180.73-1,769.66-530.75

Finding the Fourth Proportional to 1,180.73, 1,769.66 and 530.75

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Solution

The fourth proportional to 1,180.73, 1,769.66 and 530.75 is: 795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.73 : 1,769.66 = 530.75 : x
  2. Step 2: Convert to fraction form
    1,180.73/1,769.66 = 530.75/x
  3. Step 3: Cross multiply
    1,180.73x = 1,769.66 × 530.75
  4. Step 4: Simplify right side
    1,180.73x = 939,250.81
  5. Step 5: Solve for x
    x = 939,250.81/1,180.73
  6. Step 6: Final answer
    x = 795.48

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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.