Home / 1,422,091.22-2,132,140.85-523,416.47

Finding the Fourth Proportional to 1,422,091.22, 2,132,140.85 and 523,416.47

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Solution

The fourth proportional to 1,422,091.22, 2,132,140.85 and 523,416.47 is: 784,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,091.22 : 2,132,140.85 = 523,416.47 : x
  2. Step 2: Convert to fraction form
    1,422,091.22/2,132,140.85 = 523,416.47/x
  3. Step 3: Cross multiply
    1,422,091.22x = 2,132,140.85 × 523,416.47
  4. Step 4: Simplify right side
    1,422,091.22x = 1,115,997,634,632.72
  5. Step 5: Solve for x
    x = 1,115,997,634,632.72/1,422,091.22
  6. Step 6: Final answer
    x = 784,758.12

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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.