Home / 1,259.04-1,887.20-608.88

Finding the Fourth Proportional to 1,259.04, 1,887.20 and 608.88

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Solution

The fourth proportional to 1,259.04, 1,887.20 and 608.88 is: 912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.04 : 1,887.20 = 608.88 : x
  2. Step 2: Convert to fraction form
    1,259.04/1,887.20 = 608.88/x
  3. Step 3: Cross multiply
    1,259.04x = 1,887.20 × 608.88
  4. Step 4: Simplify right side
    1,259.04x = 1,149,078.34
  5. Step 5: Solve for x
    x = 1,149,078.34/1,259.04
  6. Step 6: Final answer
    x = 912.66

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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.