Home / 1,089,533.88-1,634,295.35-279,917.42

Finding the Fourth Proportional to 1,089,533.88, 1,634,295.35 and 279,917.42

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Solution

The fourth proportional to 1,089,533.88, 1,634,295.35 and 279,917.42 is: 419,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,533.88 : 1,634,295.35 = 279,917.42 : x
  2. Step 2: Convert to fraction form
    1,089,533.88/1,634,295.35 = 279,917.42/x
  3. Step 3: Cross multiply
    1,089,533.88x = 1,634,295.35 × 279,917.42
  4. Step 4: Simplify right side
    1,089,533.88x = 457,467,728,318.93
  5. Step 5: Solve for x
    x = 457,467,728,318.93/1,089,533.88
  6. Step 6: Final answer
    x = 419,874.72

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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.