Home / 1,110,081.67-1,665,786.78-478,995.48

Finding the Fourth Proportional to 1,110,081.67, 1,665,786.78 and 478,995.48

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Solution

The fourth proportional to 1,110,081.67, 1,665,786.78 and 478,995.48 is: 718,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,081.67 : 1,665,786.78 = 478,995.48 : x
  2. Step 2: Convert to fraction form
    1,110,081.67/1,665,786.78 = 478,995.48/x
  3. Step 3: Cross multiply
    1,110,081.67x = 1,665,786.78 × 478,995.48
  4. Step 4: Simplify right side
    1,110,081.67x = 797,904,338,263.75
  5. Step 5: Solve for x
    x = 797,904,338,263.75/1,110,081.67
  6. Step 6: Final answer
    x = 718,779.85

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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.