Home / 1,339,997.40-2,009,412.90-441,091.80

Finding the Fourth Proportional to 1,339,997.40, 2,009,412.90 and 441,091.80

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Solution

The fourth proportional to 1,339,997.40, 2,009,412.90 and 441,091.80 is: 661,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,997.40 : 2,009,412.90 = 441,091.80 : x
  2. Step 2: Convert to fraction form
    1,339,997.40/2,009,412.90 = 441,091.80/x
  3. Step 3: Cross multiply
    1,339,997.40x = 2,009,412.90 × 441,091.80
  4. Step 4: Simplify right side
    1,339,997.40x = 886,335,553,004.22
  5. Step 5: Solve for x
    x = 886,335,553,004.22/1,339,997.40
  6. Step 6: Final answer
    x = 661,445.73

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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.