Home / 1,129,819.03-1,694,509.44-320,196.49

Finding the Fourth Proportional to 1,129,819.03, 1,694,509.44 and 320,196.49

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Solution

The fourth proportional to 1,129,819.03, 1,694,509.44 and 320,196.49 is: 480,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,819.03 : 1,694,509.44 = 320,196.49 : x
  2. Step 2: Convert to fraction form
    1,129,819.03/1,694,509.44 = 320,196.49/x
  3. Step 3: Cross multiply
    1,129,819.03x = 1,694,509.44 × 320,196.49
  4. Step 4: Simplify right side
    1,129,819.03x = 542,575,974,959.87
  5. Step 5: Solve for x
    x = 542,575,974,959.87/1,129,819.03
  6. Step 6: Final answer
    x = 480,232.64

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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.