Home / 1,453,917.78-2,006,425.62-800,620.38

Finding the Fourth Proportional to 1,453,917.78, 2,006,425.62 and 800,620.38

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Solution

The fourth proportional to 1,453,917.78, 2,006,425.62 and 800,620.38 is: 1,104,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,917.78 : 2,006,425.62 = 800,620.38 : x
  2. Step 2: Convert to fraction form
    1,453,917.78/2,006,425.62 = 800,620.38/x
  3. Step 3: Cross multiply
    1,453,917.78x = 2,006,425.62 × 800,620.38
  4. Step 4: Simplify right side
    1,453,917.78x = 1,606,385,242,326.14
  5. Step 5: Solve for x
    x = 1,606,385,242,326.14/1,453,917.78
  6. Step 6: Final answer
    x = 1,104,866.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.