Home / 1,345,745.93-2,018,819.39-481,115.48

Finding the Fourth Proportional to 1,345,745.93, 2,018,819.39 and 481,115.48

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Solution

The fourth proportional to 1,345,745.93, 2,018,819.39 and 481,115.48 is: 721,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,745.93 : 2,018,819.39 = 481,115.48 : x
  2. Step 2: Convert to fraction form
    1,345,745.93/2,018,819.39 = 481,115.48/x
  3. Step 3: Cross multiply
    1,345,745.93x = 2,018,819.39 × 481,115.48
  4. Step 4: Simplify right side
    1,345,745.93x = 971,285,247,353.48
  5. Step 5: Solve for x
    x = 971,285,247,353.48/1,345,745.93
  6. Step 6: Final answer
    x = 721,744.89

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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.