Home / 1,121,336.20-1,682,272.14-373,388.68

Finding the Fourth Proportional to 1,121,336.20, 1,682,272.14 and 373,388.68

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Solution

The fourth proportional to 1,121,336.20, 1,682,272.14 and 373,388.68 is: 560,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,336.20 : 1,682,272.14 = 373,388.68 : x
  2. Step 2: Convert to fraction form
    1,121,336.20/1,682,272.14 = 373,388.68/x
  3. Step 3: Cross multiply
    1,121,336.20x = 1,682,272.14 × 373,388.68
  4. Step 4: Simplify right side
    1,121,336.20x = 628,141,373,755.38
  5. Step 5: Solve for x
    x = 628,141,373,755.38/1,121,336.20
  6. Step 6: Final answer
    x = 560,172.21

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Double scale
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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.