Home / 1,268.46-1,901.40-527.06

Finding the Fourth Proportional to 1,268.46, 1,901.40 and 527.06

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Solution

The fourth proportional to 1,268.46, 1,901.40 and 527.06 is: 790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.46 : 1,901.40 = 527.06 : x
  2. Step 2: Convert to fraction form
    1,268.46/1,901.40 = 527.06/x
  3. Step 3: Cross multiply
    1,268.46x = 1,901.40 × 527.06
  4. Step 4: Simplify right side
    1,268.46x = 1,002,142.38
  5. Step 5: Solve for x
    x = 1,002,142.38/1,268.46
  6. Step 6: Final answer
    x = 790.05

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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.