Home / 842,913.03-1,263,037.91-684,366.87

Finding the Fourth Proportional to 842,913.03, 1,263,037.91 and 684,366.87

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Solution

The fourth proportional to 842,913.03, 1,263,037.91 and 684,366.87 is: 1,025,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,913.03 : 1,263,037.91 = 684,366.87 : x
  2. Step 2: Convert to fraction form
    842,913.03/1,263,037.91 = 684,366.87/x
  3. Step 3: Cross multiply
    842,913.03x = 1,263,037.91 × 684,366.87
  4. Step 4: Simplify right side
    842,913.03x = 864,381,297,736.21
  5. Step 5: Solve for x
    x = 864,381,297,736.21/842,913.03
  6. Step 6: Final answer
    x = 1,025,469.14

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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.