Home / 1,720,227.88-2,373,648.75-995,143.07

Finding the Fourth Proportional to 1,720,227.88, 2,373,648.75 and 995,143.07

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Solution

The fourth proportional to 1,720,227.88, 2,373,648.75 and 995,143.07 is: 1,373,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,227.88 : 2,373,648.75 = 995,143.07 : x
  2. Step 2: Convert to fraction form
    1,720,227.88/2,373,648.75 = 995,143.07/x
  3. Step 3: Cross multiply
    1,720,227.88x = 2,373,648.75 × 995,143.07
  4. Step 4: Simplify right side
    1,720,227.88x = 2,362,120,110,110.78
  5. Step 5: Solve for x
    x = 2,362,120,110,110.78/1,720,227.88
  6. Step 6: Final answer
    x = 1,373,143.72

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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.