Home / 1,089,429.60-1,633,619.52-379,441.92

Finding the Fourth Proportional to 1,089,429.60, 1,633,619.52 and 379,441.92

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Solution

The fourth proportional to 1,089,429.60, 1,633,619.52 and 379,441.92 is: 568,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,429.60 : 1,633,619.52 = 379,441.92 : x
  2. Step 2: Convert to fraction form
    1,089,429.60/1,633,619.52 = 379,441.92/x
  3. Step 3: Cross multiply
    1,089,429.60x = 1,633,619.52 × 379,441.92
  4. Step 4: Simplify right side
    1,089,429.60x = 619,863,727,218.28
  5. Step 5: Solve for x
    x = 619,863,727,218.28/1,089,429.60
  6. Step 6: Final answer
    x = 568,980.07

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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.