Home / 1,264.26-1,895.53-647.46

Finding the Fourth Proportional to 1,264.26, 1,895.53 and 647.46

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Solution

The fourth proportional to 1,264.26, 1,895.53 and 647.46 is: 970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.26 : 1,895.53 = 647.46 : x
  2. Step 2: Convert to fraction form
    1,264.26/1,895.53 = 647.46/x
  3. Step 3: Cross multiply
    1,264.26x = 1,895.53 × 647.46
  4. Step 4: Simplify right side
    1,264.26x = 1,227,276.62
  5. Step 5: Solve for x
    x = 1,227,276.62/1,264.26
  6. Step 6: Final answer
    x = 970.75

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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.