Home / 1,259,469.92-1,888,271.76-760,717.28

Finding the Fourth Proportional to 1,259,469.92, 1,888,271.76 and 760,717.28

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Solution

The fourth proportional to 1,259,469.92, 1,888,271.76 and 760,717.28 is: 1,140,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,469.92 : 1,888,271.76 = 760,717.28 : x
  2. Step 2: Convert to fraction form
    1,259,469.92/1,888,271.76 = 760,717.28/x
  3. Step 3: Cross multiply
    1,259,469.92x = 1,888,271.76 × 760,717.28
  4. Step 4: Simplify right side
    1,259,469.92x = 1,436,440,957,168.01
  5. Step 5: Solve for x
    x = 1,436,440,957,168.01/1,259,469.92
  6. Step 6: Final answer
    x = 1,140,512.32

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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.