Home / 1,180.15-1,767.65-1,077.01

Finding the Fourth Proportional to 1,180.15, 1,767.65 and 1,077.01

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Solution

The fourth proportional to 1,180.15, 1,767.65 and 1,077.01 is: 1,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.15 : 1,767.65 = 1,077.01 : x
  2. Step 2: Convert to fraction form
    1,180.15/1,767.65 = 1,077.01/x
  3. Step 3: Cross multiply
    1,180.15x = 1,767.65 × 1,077.01
  4. Step 4: Simplify right side
    1,180.15x = 1,903,776.73
  5. Step 5: Solve for x
    x = 1,903,776.73/1,180.15
  6. Step 6: Final answer
    x = 1,613.17

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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.