Home / 1,804,150.99-2,489,728.22-1,078,998.69

Finding the Fourth Proportional to 1,804,150.99, 2,489,728.22 and 1,078,998.69

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Solution

The fourth proportional to 1,804,150.99, 2,489,728.22 and 1,078,998.69 is: 1,489,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,150.99 : 2,489,728.22 = 1,078,998.69 : x
  2. Step 2: Convert to fraction form
    1,804,150.99/2,489,728.22 = 1,078,998.69/x
  3. Step 3: Cross multiply
    1,804,150.99x = 2,489,728.22 × 1,078,998.69
  4. Step 4: Simplify right side
    1,804,150.99x = 2,686,413,481,819.04
  5. Step 5: Solve for x
    x = 2,686,413,481,819.04/1,804,150.99
  6. Step 6: Final answer
    x = 1,489,018.11

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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.