Home / 1,330,371.10-1,995,815.85-531,516.70

Finding the Fourth Proportional to 1,330,371.10, 1,995,815.85 and 531,516.70

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Solution

The fourth proportional to 1,330,371.10, 1,995,815.85 and 531,516.70 is: 797,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,371.10 : 1,995,815.85 = 531,516.70 : x
  2. Step 2: Convert to fraction form
    1,330,371.10/1,995,815.85 = 531,516.70/x
  3. Step 3: Cross multiply
    1,330,371.10x = 1,995,815.85 × 531,516.70
  4. Step 4: Simplify right side
    1,330,371.10x = 1,060,809,454,399.70
  5. Step 5: Solve for x
    x = 1,060,809,454,399.70/1,330,371.10
  6. Step 6: Final answer
    x = 797,378.61

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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.