Home / 1,147,621.48-1,721,524.38-348,974.44

Finding the Fourth Proportional to 1,147,621.48, 1,721,524.38 and 348,974.44

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Solution

The fourth proportional to 1,147,621.48, 1,721,524.38 and 348,974.44 is: 523,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,621.48 : 1,721,524.38 = 348,974.44 : x
  2. Step 2: Convert to fraction form
    1,147,621.48/1,721,524.38 = 348,974.44/x
  3. Step 3: Cross multiply
    1,147,621.48x = 1,721,524.38 × 348,974.44
  4. Step 4: Simplify right side
    1,147,621.48x = 600,768,006,456.85
  5. Step 5: Solve for x
    x = 600,768,006,456.85/1,147,621.48
  6. Step 6: Final answer
    x = 523,489.68

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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.