Home / 1,855,085.28-2,782,180.35-775,014.38

Finding the Fourth Proportional to 1,855,085.28, 2,782,180.35 and 775,014.38

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Solution

The fourth proportional to 1,855,085.28, 2,782,180.35 and 775,014.38 is: 1,162,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,085.28 : 2,782,180.35 = 775,014.38 : x
  2. Step 2: Convert to fraction form
    1,855,085.28/2,782,180.35 = 775,014.38/x
  3. Step 3: Cross multiply
    1,855,085.28x = 2,782,180.35 × 775,014.38
  4. Step 4: Simplify right side
    1,855,085.28x = 2,156,229,785,958.88
  5. Step 5: Solve for x
    x = 2,156,229,785,958.88/1,855,085.28
  6. Step 6: Final answer
    x = 1,162,334.59

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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.