Home / 1,188,055.97-1,781,494.37-378,334.86

Finding the Fourth Proportional to 1,188,055.97, 1,781,494.37 and 378,334.86

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Solution

The fourth proportional to 1,188,055.97, 1,781,494.37 and 378,334.86 is: 567,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,055.97 : 1,781,494.37 = 378,334.86 : x
  2. Step 2: Convert to fraction form
    1,188,055.97/1,781,494.37 = 378,334.86/x
  3. Step 3: Cross multiply
    1,188,055.97x = 1,781,494.37 × 378,334.86
  4. Step 4: Simplify right side
    1,188,055.97x = 674,001,421,173.06
  5. Step 5: Solve for x
    x = 674,001,421,173.06/1,188,055.97
  6. Step 6: Final answer
    x = 567,314.54

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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.