Home / 1,321,282-1,982,021.88-374,728.96

Finding the Fourth Proportional to 1,321,282, 1,982,021.88 and 374,728.96

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Solution

The fourth proportional to 1,321,282, 1,982,021.88 and 374,728.96 is: 562,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,282 : 1,982,021.88 = 374,728.96 : x
  2. Step 2: Convert to fraction form
    1,321,282/1,982,021.88 = 374,728.96/x
  3. Step 3: Cross multiply
    1,321,282x = 1,982,021.88 × 374,728.96
  4. Step 4: Simplify right side
    1,321,282x = 742,720,997,789.65
  5. Step 5: Solve for x
    x = 742,720,997,789.65/1,321,282
  6. Step 6: Final answer
    x = 562,121.48

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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.