Home / 1,329,789.60-1,994,633.20-443,325.60

Finding the Fourth Proportional to 1,329,789.60, 1,994,633.20 and 443,325.60

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Solution

The fourth proportional to 1,329,789.60, 1,994,633.20 and 443,325.60 is: 664,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,789.60 : 1,994,633.20 = 443,325.60 : x
  2. Step 2: Convert to fraction form
    1,329,789.60/1,994,633.20 = 443,325.60/x
  3. Step 3: Cross multiply
    1,329,789.60x = 1,994,633.20 × 443,325.60
  4. Step 4: Simplify right side
    1,329,789.60x = 884,271,960,169.92
  5. Step 5: Solve for x
    x = 884,271,960,169.92/1,329,789.60
  6. Step 6: Final answer
    x = 664,971.33

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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.