Home / 1,066.06-1,471.45-927.55

Finding the Fourth Proportional to 1,066.06, 1,471.45 and 927.55

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Solution

The fourth proportional to 1,066.06, 1,471.45 and 927.55 is: 1,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.06 : 1,471.45 = 927.55 : x
  2. Step 2: Convert to fraction form
    1,066.06/1,471.45 = 927.55/x
  3. Step 3: Cross multiply
    1,066.06x = 1,471.45 × 927.55
  4. Step 4: Simplify right side
    1,066.06x = 1,364,836.09
  5. Step 5: Solve for x
    x = 1,364,836.09/1,066.06
  6. Step 6: Final answer
    x = 1,280.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.