Home / 1,324,595.81-1,987,190.03-483,147.56

Finding the Fourth Proportional to 1,324,595.81, 1,987,190.03 and 483,147.56

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Solution

The fourth proportional to 1,324,595.81, 1,987,190.03 and 483,147.56 is: 724,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,595.81 : 1,987,190.03 = 483,147.56 : x
  2. Step 2: Convert to fraction form
    1,324,595.81/1,987,190.03 = 483,147.56/x
  3. Step 3: Cross multiply
    1,324,595.81x = 1,987,190.03 × 483,147.56
  4. Step 4: Simplify right side
    1,324,595.81x = 960,106,017,708.97
  5. Step 5: Solve for x
    x = 960,106,017,708.97/1,324,595.81
  6. Step 6: Final answer
    x = 724,829.42

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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.