Home / 1,302,647.47-1,797,753.24-819,626.65

Finding the Fourth Proportional to 1,302,647.47, 1,797,753.24 and 819,626.65

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Solution

The fourth proportional to 1,302,647.47, 1,797,753.24 and 819,626.65 is: 1,131,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,647.47 : 1,797,753.24 = 819,626.65 : x
  2. Step 2: Convert to fraction form
    1,302,647.47/1,797,753.24 = 819,626.65/x
  3. Step 3: Cross multiply
    1,302,647.47x = 1,797,753.24 × 819,626.65
  4. Step 4: Simplify right side
    1,302,647.47x = 1,473,486,465,627.85
  5. Step 5: Solve for x
    x = 1,473,486,465,627.85/1,302,647.47
  6. Step 6: Final answer
    x = 1,131,147.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.