Home / 1,089,996.33-1,635,240.54-331,905.59

Finding the Fourth Proportional to 1,089,996.33, 1,635,240.54 and 331,905.59

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Solution

The fourth proportional to 1,089,996.33, 1,635,240.54 and 331,905.59 is: 497,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,996.33 : 1,635,240.54 = 331,905.59 : x
  2. Step 2: Convert to fraction form
    1,089,996.33/1,635,240.54 = 331,905.59/x
  3. Step 3: Cross multiply
    1,089,996.33x = 1,635,240.54 × 331,905.59
  4. Step 4: Simplify right side
    1,089,996.33x = 542,745,476,220.62
  5. Step 5: Solve for x
    x = 542,745,476,220.62/1,089,996.33
  6. Step 6: Final answer
    x = 497,933.31

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1.5x scale

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.