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Finding the Fourth Proportional to 1,265.24, 1,895.12 and 826.01

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Solution

The fourth proportional to 1,265.24, 1,895.12 and 826.01 is: 1,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.24 : 1,895.12 = 826.01 : x
  2. Step 2: Convert to fraction form
    1,265.24/1,895.12 = 826.01/x
  3. Step 3: Cross multiply
    1,265.24x = 1,895.12 × 826.01
  4. Step 4: Simplify right side
    1,265.24x = 1,565,383.94
  5. Step 5: Solve for x
    x = 1,565,383.94/1,265.24
  6. Step 6: Final answer
    x = 1,237.23

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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.