Home / 1,800,491.75-2,697,738.97-1,266,891.76

Finding the Fourth Proportional to 1,800,491.75, 2,697,738.97 and 1,266,891.76

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Solution

The fourth proportional to 1,800,491.75, 2,697,738.97 and 1,266,891.76 is: 1,898,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,491.75 : 2,697,738.97 = 1,266,891.76 : x
  2. Step 2: Convert to fraction form
    1,800,491.75/2,697,738.97 = 1,266,891.76/x
  3. Step 3: Cross multiply
    1,800,491.75x = 2,697,738.97 × 1,266,891.76
  4. Step 4: Simplify right side
    1,800,491.75x = 3,417,743,271,723.89
  5. Step 5: Solve for x
    x = 3,417,743,271,723.89/1,800,491.75
  6. Step 6: Final answer
    x = 1,898,227.68

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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.