Home / 1,515,453.08-2,091,329.62-827,131.24

Finding the Fourth Proportional to 1,515,453.08, 2,091,329.62 and 827,131.24

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Solution

The fourth proportional to 1,515,453.08, 2,091,329.62 and 827,131.24 is: 1,141,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,453.08 : 2,091,329.62 = 827,131.24 : x
  2. Step 2: Convert to fraction form
    1,515,453.08/2,091,329.62 = 827,131.24/x
  3. Step 3: Cross multiply
    1,515,453.08x = 2,091,329.62 × 827,131.24
  4. Step 4: Simplify right side
    1,515,453.08x = 1,729,804,061,839.33
  5. Step 5: Solve for x
    x = 1,729,804,061,839.33/1,515,453.08
  6. Step 6: Final answer
    x = 1,141,443.50

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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.