Home / 1,689,462.40-2,331,451.20-925,563.52

Finding the Fourth Proportional to 1,689,462.40, 2,331,451.20 and 925,563.52

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Solution

The fourth proportional to 1,689,462.40, 2,331,451.20 and 925,563.52 is: 1,277,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,462.40 : 2,331,451.20 = 925,563.52 : x
  2. Step 2: Convert to fraction form
    1,689,462.40/2,331,451.20 = 925,563.52/x
  3. Step 3: Cross multiply
    1,689,462.40x = 2,331,451.20 × 925,563.52
  4. Step 4: Simplify right side
    1,689,462.40x = 2,157,906,179,380.22
  5. Step 5: Solve for x
    x = 2,157,906,179,380.22/1,689,462.40
  6. Step 6: Final answer
    x = 1,277,273.87

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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.