Home / 1,089,943.75-1,635,178.20-341,989.75

Finding the Fourth Proportional to 1,089,943.75, 1,635,178.20 and 341,989.75

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Solution

The fourth proportional to 1,089,943.75, 1,635,178.20 and 341,989.75 is: 513,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,943.75 : 1,635,178.20 = 341,989.75 : x
  2. Step 2: Convert to fraction form
    1,089,943.75/1,635,178.20 = 341,989.75/x
  3. Step 3: Cross multiply
    1,089,943.75x = 1,635,178.20 × 341,989.75
  4. Step 4: Simplify right side
    1,089,943.75x = 559,214,183,823.45
  5. Step 5: Solve for x
    x = 559,214,183,823.45/1,089,943.75
  6. Step 6: Final answer
    x = 513,067.01

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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.