Home / 1,254,421.92-1,731,103.74-681,462.48

Finding the Fourth Proportional to 1,254,421.92, 1,731,103.74 and 681,462.48

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Solution

The fourth proportional to 1,254,421.92, 1,731,103.74 and 681,462.48 is: 940,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,421.92 : 1,731,103.74 = 681,462.48 : x
  2. Step 2: Convert to fraction form
    1,254,421.92/1,731,103.74 = 681,462.48/x
  3. Step 3: Cross multiply
    1,254,421.92x = 1,731,103.74 × 681,462.48
  4. Step 4: Simplify right side
    1,254,421.92x = 1,179,682,247,797.68
  5. Step 5: Solve for x
    x = 1,179,682,247,797.68/1,254,421.92
  6. Step 6: Final answer
    x = 940,419.03

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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.