Home / 1,855,512.32-2,782,391.20-718,806.92

Finding the Fourth Proportional to 1,855,512.32, 2,782,391.20 and 718,806.92

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Solution

The fourth proportional to 1,855,512.32, 2,782,391.20 and 718,806.92 is: 1,077,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,512.32 : 2,782,391.20 = 718,806.92 : x
  2. Step 2: Convert to fraction form
    1,855,512.32/2,782,391.20 = 718,806.92/x
  3. Step 3: Cross multiply
    1,855,512.32x = 2,782,391.20 × 718,806.92
  4. Step 4: Simplify right side
    1,855,512.32x = 2,000,002,048,707.10
  5. Step 5: Solve for x
    x = 2,000,002,048,707.10/1,855,512.32
  6. Step 6: Final answer
    x = 1,077,870.53

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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.