Home / 1,329,138.92-1,993,656.54-442,674.92

Finding the Fourth Proportional to 1,329,138.92, 1,993,656.54 and 442,674.92

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Solution

The fourth proportional to 1,329,138.92, 1,993,656.54 and 442,674.92 is: 663,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,138.92 : 1,993,656.54 = 442,674.92 : x
  2. Step 2: Convert to fraction form
    1,329,138.92/1,993,656.54 = 442,674.92/x
  3. Step 3: Cross multiply
    1,329,138.92x = 1,993,656.54 × 442,674.92
  4. Step 4: Simplify right side
    1,329,138.92x = 882,541,749,351.98
  5. Step 5: Solve for x
    x = 882,541,749,351.98/1,329,138.92
  6. Step 6: Final answer
    x = 663,995.11

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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.