Home / 1,248,997.19-1,874,243.21-1,147,359.09

Finding the Fourth Proportional to 1,248,997.19, 1,874,243.21 and 1,147,359.09

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Solution

The fourth proportional to 1,248,997.19, 1,874,243.21 and 1,147,359.09 is: 1,721,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,997.19 : 1,874,243.21 = 1,147,359.09 : x
  2. Step 2: Convert to fraction form
    1,248,997.19/1,874,243.21 = 1,147,359.09/x
  3. Step 3: Cross multiply
    1,248,997.19x = 1,874,243.21 × 1,147,359.09
  4. Step 4: Simplify right side
    1,248,997.19x = 2,150,429,985,155.90
  5. Step 5: Solve for x
    x = 2,150,429,985,155.90/1,248,997.19
  6. Step 6: Final answer
    x = 1,721,725.25

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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.