Home / 1,196.20-1,798.35-955.36

Finding the Fourth Proportional to 1,196.20, 1,798.35 and 955.36

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Solution

The fourth proportional to 1,196.20, 1,798.35 and 955.36 is: 1,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.20 : 1,798.35 = 955.36 : x
  2. Step 2: Convert to fraction form
    1,196.20/1,798.35 = 955.36/x
  3. Step 3: Cross multiply
    1,196.20x = 1,798.35 × 955.36
  4. Step 4: Simplify right side
    1,196.20x = 1,718,071.66
  5. Step 5: Solve for x
    x = 1,718,071.66/1,196.20
  6. Step 6: Final answer
    x = 1,436.27

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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.