Home / 1,236,739.20-1,854,028.80-479,097.60

Finding the Fourth Proportional to 1,236,739.20, 1,854,028.80 and 479,097.60

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Solution

The fourth proportional to 1,236,739.20, 1,854,028.80 and 479,097.60 is: 718,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,739.20 : 1,854,028.80 = 479,097.60 : x
  2. Step 2: Convert to fraction form
    1,236,739.20/1,854,028.80 = 479,097.60/x
  3. Step 3: Cross multiply
    1,236,739.20x = 1,854,028.80 × 479,097.60
  4. Step 4: Simplify right side
    1,236,739.20x = 888,260,748,410.88
  5. Step 5: Solve for x
    x = 888,260,748,410.88/1,236,739.20
  6. Step 6: Final answer
    x = 718,228.02

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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.