Home / 1,468,936.78-2,027,147.79-815,573.50

Finding the Fourth Proportional to 1,468,936.78, 2,027,147.79 and 815,573.50

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Solution

The fourth proportional to 1,468,936.78, 2,027,147.79 and 815,573.50 is: 1,125,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,936.78 : 2,027,147.79 = 815,573.50 : x
  2. Step 2: Convert to fraction form
    1,468,936.78/2,027,147.79 = 815,573.50/x
  3. Step 3: Cross multiply
    1,468,936.78x = 2,027,147.79 × 815,573.50
  4. Step 4: Simplify right side
    1,468,936.78x = 1,653,288,018,107.57
  5. Step 5: Solve for x
    x = 1,653,288,018,107.57/1,468,936.78
  6. Step 6: Final answer
    x = 1,125,499.78

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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.