Home / 1,331,820.58-1,997,109.82-691,952.31

Finding the Fourth Proportional to 1,331,820.58, 1,997,109.82 and 691,952.31

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Solution

The fourth proportional to 1,331,820.58, 1,997,109.82 and 691,952.31 is: 1,037,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,820.58 : 1,997,109.82 = 691,952.31 : x
  2. Step 2: Convert to fraction form
    1,331,820.58/1,997,109.82 = 691,952.31/x
  3. Step 3: Cross multiply
    1,331,820.58x = 1,997,109.82 × 691,952.31
  4. Step 4: Simplify right side
    1,331,820.58x = 1,381,904,753,272.68
  5. Step 5: Solve for x
    x = 1,381,904,753,272.68/1,331,820.58
  6. Step 6: Final answer
    x = 1,037,605.80

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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.