Home / 1,129,720.23-1,694,579.81-331,001.37

Finding the Fourth Proportional to 1,129,720.23, 1,694,579.81 and 331,001.37

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Solution

The fourth proportional to 1,129,720.23, 1,694,579.81 and 331,001.37 is: 496,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,720.23 : 1,694,579.81 = 331,001.37 : x
  2. Step 2: Convert to fraction form
    1,129,720.23/1,694,579.81 = 331,001.37/x
  3. Step 3: Cross multiply
    1,129,720.23x = 1,694,579.81 × 331,001.37
  4. Step 4: Simplify right side
    1,129,720.23x = 560,908,237,029.33
  5. Step 5: Solve for x
    x = 560,908,237,029.33/1,129,720.23
  6. Step 6: Final answer
    x = 496,501.90

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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.