Home / 1,197.45-1,795.60-417.18

Finding the Fourth Proportional to 1,197.45, 1,795.60 and 417.18

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Solution

The fourth proportional to 1,197.45, 1,795.60 and 417.18 is: 625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.45 : 1,795.60 = 417.18 : x
  2. Step 2: Convert to fraction form
    1,197.45/1,795.60 = 417.18/x
  3. Step 3: Cross multiply
    1,197.45x = 1,795.60 × 417.18
  4. Step 4: Simplify right side
    1,197.45x = 749,079.43
  5. Step 5: Solve for x
    x = 749,079.43/1,197.45
  6. Step 6: Final answer
    x = 625.56

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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.