Home / 1,374,330.78-2,061,627.35-427,447.26

Finding the Fourth Proportional to 1,374,330.78, 2,061,627.35 and 427,447.26

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Solution

The fourth proportional to 1,374,330.78, 2,061,627.35 and 427,447.26 is: 641,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,330.78 : 2,061,627.35 = 427,447.26 : x
  2. Step 2: Convert to fraction form
    1,374,330.78/2,061,627.35 = 427,447.26/x
  3. Step 3: Cross multiply
    1,374,330.78x = 2,061,627.35 × 427,447.26
  4. Step 4: Simplify right side
    1,374,330.78x = 881,236,959,761.33
  5. Step 5: Solve for x
    x = 881,236,959,761.33/1,374,330.78
  6. Step 6: Final answer
    x = 641,211.69

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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.