Home / 1,269,431.72-1,751,815.79-725,579.22

Finding the Fourth Proportional to 1,269,431.72, 1,751,815.79 and 725,579.22

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Solution

The fourth proportional to 1,269,431.72, 1,751,815.79 and 725,579.22 is: 1,001,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,431.72 : 1,751,815.79 = 725,579.22 : x
  2. Step 2: Convert to fraction form
    1,269,431.72/1,751,815.79 = 725,579.22/x
  3. Step 3: Cross multiply
    1,269,431.72x = 1,751,815.79 × 725,579.22
  4. Step 4: Simplify right side
    1,269,431.72x = 1,271,081,134,491.88
  5. Step 5: Solve for x
    x = 1,271,081,134,491.88/1,269,431.72
  6. Step 6: Final answer
    x = 1,001,299.33

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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.