Home / 1,208,022.50-1,812,033.76-321,558.50

Finding the Fourth Proportional to 1,208,022.50, 1,812,033.76 and 321,558.50

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Solution

The fourth proportional to 1,208,022.50, 1,812,033.76 and 321,558.50 is: 482,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,022.50 : 1,812,033.76 = 321,558.50 : x
  2. Step 2: Convert to fraction form
    1,208,022.50/1,812,033.76 = 321,558.50/x
  3. Step 3: Cross multiply
    1,208,022.50x = 1,812,033.76 × 321,558.50
  4. Step 4: Simplify right side
    1,208,022.50x = 582,674,857,814.96
  5. Step 5: Solve for x
    x = 582,674,857,814.96/1,208,022.50
  6. Step 6: Final answer
    x = 482,337.75

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Similar ratio
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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.