Home / 1,329,699.60-1,994,498.20-443,235.60

Finding the Fourth Proportional to 1,329,699.60, 1,994,498.20 and 443,235.60

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Solution

The fourth proportional to 1,329,699.60, 1,994,498.20 and 443,235.60 is: 664,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,699.60 : 1,994,498.20 = 443,235.60 : x
  2. Step 2: Convert to fraction form
    1,329,699.60/1,994,498.20 = 443,235.60/x
  3. Step 3: Cross multiply
    1,329,699.60x = 1,994,498.20 × 443,235.60
  4. Step 4: Simplify right side
    1,329,699.60x = 884,032,606,375.92
  5. Step 5: Solve for x
    x = 884,032,606,375.92/1,329,699.60
  6. Step 6: Final answer
    x = 664,836.33

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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.