Home / 1,230,247.20-1,845,370.80-1,177,103.10

Finding the Fourth Proportional to 1,230,247.20, 1,845,370.80 and 1,177,103.10

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Solution

The fourth proportional to 1,230,247.20, 1,845,370.80 and 1,177,103.10 is: 1,765,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,247.20 : 1,845,370.80 = 1,177,103.10 : x
  2. Step 2: Convert to fraction form
    1,230,247.20/1,845,370.80 = 1,177,103.10/x
  3. Step 3: Cross multiply
    1,230,247.20x = 1,845,370.80 × 1,177,103.10
  4. Step 4: Simplify right side
    1,230,247.20x = 2,172,191,689,329.48
  5. Step 5: Solve for x
    x = 2,172,191,689,329.48/1,230,247.20
  6. Step 6: Final answer
    x = 1,765,654.65

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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.