Home / 1,321,491.24-1,982,311.92-374,787

Finding the Fourth Proportional to 1,321,491.24, 1,982,311.92 and 374,787

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Solution

The fourth proportional to 1,321,491.24, 1,982,311.92 and 374,787 is: 562,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,491.24 : 1,982,311.92 = 374,787 : x
  2. Step 2: Convert to fraction form
    1,321,491.24/1,982,311.92 = 374,787/x
  3. Step 3: Cross multiply
    1,321,491.24x = 1,982,311.92 × 374,787
  4. Step 4: Simplify right side
    1,321,491.24x = 742,944,737,561.04
  5. Step 5: Solve for x
    x = 742,944,737,561.04/1,321,491.24
  6. Step 6: Final answer
    x = 562,201.79

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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.