Home / 1,118.17-1,676.70-532.69

Finding the Fourth Proportional to 1,118.17, 1,676.70 and 532.69

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Solution

The fourth proportional to 1,118.17, 1,676.70 and 532.69 is: 798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.17 : 1,676.70 = 532.69 : x
  2. Step 2: Convert to fraction form
    1,118.17/1,676.70 = 532.69/x
  3. Step 3: Cross multiply
    1,118.17x = 1,676.70 × 532.69
  4. Step 4: Simplify right side
    1,118.17x = 893,161.32
  5. Step 5: Solve for x
    x = 893,161.32/1,118.17
  6. Step 6: Final answer
    x = 798.77

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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.