Home / 1,026.90-1,416.06-633.60

Finding the Fourth Proportional to 1,026.90, 1,416.06 and 633.60

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Solution

The fourth proportional to 1,026.90, 1,416.06 and 633.60 is: 873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.90 : 1,416.06 = 633.60 : x
  2. Step 2: Convert to fraction form
    1,026.90/1,416.06 = 633.60/x
  3. Step 3: Cross multiply
    1,026.90x = 1,416.06 × 633.60
  4. Step 4: Simplify right side
    1,026.90x = 897,215.62
  5. Step 5: Solve for x
    x = 897,215.62/1,026.90
  6. Step 6: Final answer
    x = 873.71

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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.