Home / 1,181,091.11-1,771,664.00-422,984.57

Finding the Fourth Proportional to 1,181,091.11, 1,771,664.00 and 422,984.57

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Solution

The fourth proportional to 1,181,091.11, 1,771,664.00 and 422,984.57 is: 634,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,091.11 : 1,771,664.00 = 422,984.57 : x
  2. Step 2: Convert to fraction form
    1,181,091.11/1,771,664.00 = 422,984.57/x
  3. Step 3: Cross multiply
    1,181,091.11x = 1,771,664.00 × 422,984.57
  4. Step 4: Simplify right side
    1,181,091.11x = 749,386,524,251.24
  5. Step 5: Solve for x
    x = 749,386,524,251.24/1,181,091.11
  6. Step 6: Final answer
    x = 634,486.64

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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.