Home / 1,197.23-1,795.23-612.14

Finding the Fourth Proportional to 1,197.23, 1,795.23 and 612.14

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Solution

The fourth proportional to 1,197.23, 1,795.23 and 612.14 is: 917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.23 : 1,795.23 = 612.14 : x
  2. Step 2: Convert to fraction form
    1,197.23/1,795.23 = 612.14/x
  3. Step 3: Cross multiply
    1,197.23x = 1,795.23 × 612.14
  4. Step 4: Simplify right side
    1,197.23x = 1,098,923.12
  5. Step 5: Solve for x
    x = 1,098,923.12/1,197.23
  6. Step 6: Final answer
    x = 917.89

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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.