Home / 1,491,890.38-2,237,851.20-1,194,262.91

Finding the Fourth Proportional to 1,491,890.38, 2,237,851.20 and 1,194,262.91

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Solution

The fourth proportional to 1,491,890.38, 2,237,851.20 and 1,194,262.91 is: 1,791,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,890.38 : 2,237,851.20 = 1,194,262.91 : x
  2. Step 2: Convert to fraction form
    1,491,890.38/2,237,851.20 = 1,194,262.91/x
  3. Step 3: Cross multiply
    1,491,890.38x = 2,237,851.20 × 1,194,262.91
  4. Step 4: Simplify right side
    1,491,890.38x = 2,672,582,686,258.99
  5. Step 5: Solve for x
    x = 2,672,582,686,258.99/1,491,890.38
  6. Step 6: Final answer
    x = 1,791,406.88

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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.