Home / 1,330,150.82-1,996,021.11-488,787.62

Finding the Fourth Proportional to 1,330,150.82, 1,996,021.11 and 488,787.62

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Solution

The fourth proportional to 1,330,150.82, 1,996,021.11 and 488,787.62 is: 733,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,150.82 : 1,996,021.11 = 488,787.62 : x
  2. Step 2: Convert to fraction form
    1,330,150.82/1,996,021.11 = 488,787.62/x
  3. Step 3: Cross multiply
    1,330,150.82x = 1,996,021.11 × 488,787.62
  4. Step 4: Simplify right side
    1,330,150.82x = 975,630,407,826.66
  5. Step 5: Solve for x
    x = 975,630,407,826.66/1,330,150.82
  6. Step 6: Final answer
    x = 733,473.52

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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.