Home / 1,324,830.88-1,987,311.16-378,342.64

Finding the Fourth Proportional to 1,324,830.88, 1,987,311.16 and 378,342.64

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Solution

The fourth proportional to 1,324,830.88, 1,987,311.16 and 378,342.64 is: 567,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,830.88 : 1,987,311.16 = 378,342.64 : x
  2. Step 2: Convert to fraction form
    1,324,830.88/1,987,311.16 = 378,342.64/x
  3. Step 3: Cross multiply
    1,324,830.88x = 1,987,311.16 × 378,342.64
  4. Step 4: Simplify right side
    1,324,830.88x = 751,884,550,775.86
  5. Step 5: Solve for x
    x = 751,884,550,775.86/1,324,830.88
  6. Step 6: Final answer
    x = 567,532.48

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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.