Home / 1,190.34-1,783.02-1,175.76

Finding the Fourth Proportional to 1,190.34, 1,783.02 and 1,175.76

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Solution

The fourth proportional to 1,190.34, 1,783.02 and 1,175.76 is: 1,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.34 : 1,783.02 = 1,175.76 : x
  2. Step 2: Convert to fraction form
    1,190.34/1,783.02 = 1,175.76/x
  3. Step 3: Cross multiply
    1,190.34x = 1,783.02 × 1,175.76
  4. Step 4: Simplify right side
    1,190.34x = 2,096,403.60
  5. Step 5: Solve for x
    x = 2,096,403.60/1,190.34
  6. Step 6: Final answer
    x = 1,761.18

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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.