Home / 1,089,788.27-1,633,796.64-380,314.53

Finding the Fourth Proportional to 1,089,788.27, 1,633,796.64 and 380,314.53

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Solution

The fourth proportional to 1,089,788.27, 1,633,796.64 and 380,314.53 is: 570,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,788.27 : 1,633,796.64 = 380,314.53 : x
  2. Step 2: Convert to fraction form
    1,089,788.27/1,633,796.64 = 380,314.53/x
  3. Step 3: Cross multiply
    1,089,788.27x = 1,633,796.64 × 380,314.53
  4. Step 4: Simplify right side
    1,089,788.27x = 621,356,601,257.18
  5. Step 5: Solve for x
    x = 621,356,601,257.18/1,089,788.27
  6. Step 6: Final answer
    x = 570,162.68

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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.