Home / 1,147,920.60-1,722,129.98-349,181.39

Finding the Fourth Proportional to 1,147,920.60, 1,722,129.98 and 349,181.39

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Solution

The fourth proportional to 1,147,920.60, 1,722,129.98 and 349,181.39 is: 523,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,920.60 : 1,722,129.98 = 349,181.39 : x
  2. Step 2: Convert to fraction form
    1,147,920.60/1,722,129.98 = 349,181.39/x
  3. Step 3: Cross multiply
    1,147,920.60x = 1,722,129.98 × 349,181.39
  4. Step 4: Simplify right side
    1,147,920.60x = 601,335,729,820.52
  5. Step 5: Solve for x
    x = 601,335,729,820.52/1,147,920.60
  6. Step 6: Final answer
    x = 523,847.84

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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.