Home / 1,237,003.20-1,854,919.98-479,199.60

Finding the Fourth Proportional to 1,237,003.20, 1,854,919.98 and 479,199.60

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Solution

The fourth proportional to 1,237,003.20, 1,854,919.98 and 479,199.60 is: 718,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,003.20 : 1,854,919.98 = 479,199.60 : x
  2. Step 2: Convert to fraction form
    1,237,003.20/1,854,919.98 = 479,199.60/x
  3. Step 3: Cross multiply
    1,237,003.20x = 1,854,919.98 × 479,199.60
  4. Step 4: Simplify right side
    1,237,003.20x = 888,876,912,448.01
  5. Step 5: Solve for x
    x = 888,876,912,448.01/1,237,003.20
  6. Step 6: Final answer
    x = 718,572.85

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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.