Home / 1,339,938.72-2,010,218.94-441,348.21

Finding the Fourth Proportional to 1,339,938.72, 2,010,218.94 and 441,348.21

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Solution

The fourth proportional to 1,339,938.72, 2,010,218.94 and 441,348.21 is: 662,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,938.72 : 2,010,218.94 = 441,348.21 : x
  2. Step 2: Convert to fraction form
    1,339,938.72/2,010,218.94 = 441,348.21/x
  3. Step 3: Cross multiply
    1,339,938.72x = 2,010,218.94 × 441,348.21
  4. Step 4: Simplify right side
    1,339,938.72x = 887,206,530,877.10
  5. Step 5: Solve for x
    x = 887,206,530,877.10/1,339,938.72
  6. Step 6: Final answer
    x = 662,124.71

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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.