Home / 1,445,781.55-1,995,190.10-801,212.44

Finding the Fourth Proportional to 1,445,781.55, 1,995,190.10 and 801,212.44

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Solution

The fourth proportional to 1,445,781.55, 1,995,190.10 and 801,212.44 is: 1,105,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,781.55 : 1,995,190.10 = 801,212.44 : x
  2. Step 2: Convert to fraction form
    1,445,781.55/1,995,190.10 = 801,212.44/x
  3. Step 3: Cross multiply
    1,445,781.55x = 1,995,190.10 × 801,212.44
  4. Step 4: Simplify right side
    1,445,781.55x = 1,598,571,128,284.84
  5. Step 5: Solve for x
    x = 1,598,571,128,284.84/1,445,781.55
  6. Step 6: Final answer
    x = 1,105,679.57

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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.