Home / 1,263,772.60-1,895,658.90-422,324.35

Finding the Fourth Proportional to 1,263,772.60, 1,895,658.90 and 422,324.35

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Solution

The fourth proportional to 1,263,772.60, 1,895,658.90 and 422,324.35 is: 633,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,772.60 : 1,895,658.90 = 422,324.35 : x
  2. Step 2: Convert to fraction form
    1,263,772.60/1,895,658.90 = 422,324.35/x
  3. Step 3: Cross multiply
    1,263,772.60x = 1,895,658.90 × 422,324.35
  4. Step 4: Simplify right side
    1,263,772.60x = 800,582,910,652.59
  5. Step 5: Solve for x
    x = 800,582,910,652.59/1,263,772.60
  6. Step 6: Final answer
    x = 633,486.52

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Double scale
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Similar ratio
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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.