Home / 1,089,995.33-1,635,239.04-331,904.59

Finding the Fourth Proportional to 1,089,995.33, 1,635,239.04 and 331,904.59

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Solution

The fourth proportional to 1,089,995.33, 1,635,239.04 and 331,904.59 is: 497,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,995.33 : 1,635,239.04 = 331,904.59 : x
  2. Step 2: Convert to fraction form
    1,089,995.33/1,635,239.04 = 331,904.59/x
  3. Step 3: Cross multiply
    1,089,995.33x = 1,635,239.04 × 331,904.59
  4. Step 4: Simplify right side
    1,089,995.33x = 542,743,337,790.42
  5. Step 5: Solve for x
    x = 542,743,337,790.42/1,089,995.33
  6. Step 6: Final answer
    x = 497,931.80

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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.