Home / 1,019,003.44-1,528,539.20-458,039.56

Finding the Fourth Proportional to 1,019,003.44, 1,528,539.20 and 458,039.56

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Solution

The fourth proportional to 1,019,003.44, 1,528,539.20 and 458,039.56 is: 687,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,003.44 : 1,528,539.20 = 458,039.56 : x
  2. Step 2: Convert to fraction form
    1,019,003.44/1,528,539.20 = 458,039.56/x
  3. Step 3: Cross multiply
    1,019,003.44x = 1,528,539.20 × 458,039.56
  4. Step 4: Simplify right side
    1,019,003.44x = 700,131,422,610.75
  5. Step 5: Solve for x
    x = 700,131,422,610.75/1,019,003.44
  6. Step 6: Final answer
    x = 687,074.64

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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.