Home / 1,264.41-1,742.37-1,065.26

Finding the Fourth Proportional to 1,264.41, 1,742.37 and 1,065.26

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Solution

The fourth proportional to 1,264.41, 1,742.37 and 1,065.26 is: 1,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.41 : 1,742.37 = 1,065.26 : x
  2. Step 2: Convert to fraction form
    1,264.41/1,742.37 = 1,065.26/x
  3. Step 3: Cross multiply
    1,264.41x = 1,742.37 × 1,065.26
  4. Step 4: Simplify right side
    1,264.41x = 1,856,068.35
  5. Step 5: Solve for x
    x = 1,856,068.35/1,264.41
  6. Step 6: Final answer
    x = 1,467.93

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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.