Home / 1,118.19-1,677.33-501.87

Finding the Fourth Proportional to 1,118.19, 1,677.33 and 501.87

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Solution

The fourth proportional to 1,118.19, 1,677.33 and 501.87 is: 752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.19 : 1,677.33 = 501.87 : x
  2. Step 2: Convert to fraction form
    1,118.19/1,677.33 = 501.87/x
  3. Step 3: Cross multiply
    1,118.19x = 1,677.33 × 501.87
  4. Step 4: Simplify right side
    1,118.19x = 841,801.61
  5. Step 5: Solve for x
    x = 841,801.61/1,118.19
  6. Step 6: Final answer
    x = 752.83

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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.