Home / 1,089,937.21-1,633,845.10-521,171.41

Finding the Fourth Proportional to 1,089,937.21, 1,633,845.10 and 521,171.41

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Solution

The fourth proportional to 1,089,937.21, 1,633,845.10 and 521,171.41 is: 781,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,937.21 : 1,633,845.10 = 521,171.41 : x
  2. Step 2: Convert to fraction form
    1,089,937.21/1,633,845.10 = 521,171.41/x
  3. Step 3: Cross multiply
    1,089,937.21x = 1,633,845.10 × 521,171.41
  4. Step 4: Simplify right side
    1,089,937.21x = 851,513,354,488.59
  5. Step 5: Solve for x
    x = 851,513,354,488.59/1,089,937.21
  6. Step 6: Final answer
    x = 781,249.92

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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.