Home / 1,089,307.20-1,633,972.68-331,271.94

Finding the Fourth Proportional to 1,089,307.20, 1,633,972.68 and 331,271.94

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Solution

The fourth proportional to 1,089,307.20, 1,633,972.68 and 331,271.94 is: 496,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,307.20 : 1,633,972.68 = 331,271.94 : x
  2. Step 2: Convert to fraction form
    1,089,307.20/1,633,972.68 = 331,271.94/x
  3. Step 3: Cross multiply
    1,089,307.20x = 1,633,972.68 × 331,271.94
  4. Step 4: Simplify right side
    1,089,307.20x = 541,289,299,610.60
  5. Step 5: Solve for x
    x = 541,289,299,610.60/1,089,307.20
  6. Step 6: Final answer
    x = 496,911.52

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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.