Home / 1,089,902.21-1,634,937.14-331,808.74

Finding the Fourth Proportional to 1,089,902.21, 1,634,937.14 and 331,808.74

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Solution

The fourth proportional to 1,089,902.21, 1,634,937.14 and 331,808.74 is: 497,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,902.21 : 1,634,937.14 = 331,808.74 : x
  2. Step 2: Convert to fraction form
    1,089,902.21/1,634,937.14 = 331,808.74/x
  3. Step 3: Cross multiply
    1,089,902.21x = 1,634,937.14 × 331,808.74
  4. Step 4: Simplify right side
    1,089,902.21x = 542,486,429,144.78
  5. Step 5: Solve for x
    x = 542,486,429,144.78/1,089,902.21
  6. Step 6: Final answer
    x = 497,738.63

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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.