Home / 1,321,337.37-1,982,301.31-422,833.03

Finding the Fourth Proportional to 1,321,337.37, 1,982,301.31 and 422,833.03

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Solution

The fourth proportional to 1,321,337.37, 1,982,301.31 and 422,833.03 is: 634,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,337.37 : 1,982,301.31 = 422,833.03 : x
  2. Step 2: Convert to fraction form
    1,321,337.37/1,982,301.31 = 422,833.03/x
  3. Step 3: Cross multiply
    1,321,337.37x = 1,982,301.31 × 422,833.03
  4. Step 4: Simplify right side
    1,321,337.37x = 838,182,462,474.62
  5. Step 5: Solve for x
    x = 838,182,462,474.62/1,321,337.37
  6. Step 6: Final answer
    x = 634,344.02

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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.