Home / 1,295,171.70-1,942,815.15-442,230.90

Finding the Fourth Proportional to 1,295,171.70, 1,942,815.15 and 442,230.90

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Solution

The fourth proportional to 1,295,171.70, 1,942,815.15 and 442,230.90 is: 663,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,171.70 : 1,942,815.15 = 442,230.90 : x
  2. Step 2: Convert to fraction form
    1,295,171.70/1,942,815.15 = 442,230.90/x
  3. Step 3: Cross multiply
    1,295,171.70x = 1,942,815.15 × 442,230.90
  4. Step 4: Simplify right side
    1,295,171.70x = 859,172,892,318.14
  5. Step 5: Solve for x
    x = 859,172,892,318.14/1,295,171.70
  6. Step 6: Final answer
    x = 663,366.02

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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.