Home / 1,196.32-1,794.08-1,118.58

Finding the Fourth Proportional to 1,196.32, 1,794.08 and 1,118.58

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Solution

The fourth proportional to 1,196.32, 1,794.08 and 1,118.58 is: 1,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.32 : 1,794.08 = 1,118.58 : x
  2. Step 2: Convert to fraction form
    1,196.32/1,794.08 = 1,118.58/x
  3. Step 3: Cross multiply
    1,196.32x = 1,794.08 × 1,118.58
  4. Step 4: Simplify right side
    1,196.32x = 2,006,822.01
  5. Step 5: Solve for x
    x = 2,006,822.01/1,196.32
  6. Step 6: Final answer
    x = 1,677.50

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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.