Home / 1,580,142.03-2,180,589.97-854,991.15

Finding the Fourth Proportional to 1,580,142.03, 2,180,589.97 and 854,991.15

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Solution

The fourth proportional to 1,580,142.03, 2,180,589.97 and 854,991.15 is: 1,179,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,142.03 : 2,180,589.97 = 854,991.15 : x
  2. Step 2: Convert to fraction form
    1,580,142.03/2,180,589.97 = 854,991.15/x
  3. Step 3: Cross multiply
    1,580,142.03x = 2,180,589.97 × 854,991.15
  4. Step 4: Simplify right side
    1,580,142.03x = 1,864,385,126,128.77
  5. Step 5: Solve for x
    x = 1,864,385,126,128.77/1,580,142.03
  6. Step 6: Final answer
    x = 1,179,884.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.