Home / 1,010,226.60-1,515,339.90-262,272.60

Finding the Fourth Proportional to 1,010,226.60, 1,515,339.90 and 262,272.60

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Solution

The fourth proportional to 1,010,226.60, 1,515,339.90 and 262,272.60 is: 393,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,226.60 : 1,515,339.90 = 262,272.60 : x
  2. Step 2: Convert to fraction form
    1,010,226.60/1,515,339.90 = 262,272.60/x
  3. Step 3: Cross multiply
    1,010,226.60x = 1,515,339.90 × 262,272.60
  4. Step 4: Simplify right side
    1,010,226.60x = 397,432,135,456.74
  5. Step 5: Solve for x
    x = 397,432,135,456.74/1,010,226.60
  6. Step 6: Final answer
    x = 393,408.90

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Double scale
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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.