Home / 1,110,083.67-1,665,789.78-478,997.48

Finding the Fourth Proportional to 1,110,083.67, 1,665,789.78 and 478,997.48

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Solution

The fourth proportional to 1,110,083.67, 1,665,789.78 and 478,997.48 is: 718,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,083.67 : 1,665,789.78 = 478,997.48 : x
  2. Step 2: Convert to fraction form
    1,110,083.67/1,665,789.78 = 478,997.48/x
  3. Step 3: Cross multiply
    1,110,083.67x = 1,665,789.78 × 478,997.48
  4. Step 4: Simplify right side
    1,110,083.67x = 797,909,106,829.75
  5. Step 5: Solve for x
    x = 797,909,106,829.75/1,110,083.67
  6. Step 6: Final answer
    x = 718,782.85

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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.