Home / 1,491,736.21-2,237,626.18-426,780.20

Finding the Fourth Proportional to 1,491,736.21, 2,237,626.18 and 426,780.20

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Solution

The fourth proportional to 1,491,736.21, 2,237,626.18 and 426,780.20 is: 640,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,736.21 : 2,237,626.18 = 426,780.20 : x
  2. Step 2: Convert to fraction form
    1,491,736.21/2,237,626.18 = 426,780.20/x
  3. Step 3: Cross multiply
    1,491,736.21x = 2,237,626.18 × 426,780.20
  4. Step 4: Simplify right side
    1,491,736.21x = 954,974,548,625.64
  5. Step 5: Solve for x
    x = 954,974,548,625.64/1,491,736.21
  6. Step 6: Final answer
    x = 640,176.56

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1.5x scale

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.