Home / 1,180.35-1,769.60-530.63

Finding the Fourth Proportional to 1,180.35, 1,769.60 and 530.63

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Solution

The fourth proportional to 1,180.35, 1,769.60 and 530.63 is: 795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.35 : 1,769.60 = 530.63 : x
  2. Step 2: Convert to fraction form
    1,180.35/1,769.60 = 530.63/x
  3. Step 3: Cross multiply
    1,180.35x = 1,769.60 × 530.63
  4. Step 4: Simplify right side
    1,180.35x = 939,002.85
  5. Step 5: Solve for x
    x = 939,002.85/1,180.35
  6. Step 6: Final answer
    x = 795.53

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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.