Home / 1,338,546.69-2,007,065.49-439,747.10

Finding the Fourth Proportional to 1,338,546.69, 2,007,065.49 and 439,747.10

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Solution

The fourth proportional to 1,338,546.69, 2,007,065.49 and 439,747.10 is: 659,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,546.69 : 2,007,065.49 = 439,747.10 : x
  2. Step 2: Convert to fraction form
    1,338,546.69/2,007,065.49 = 439,747.10/x
  3. Step 3: Cross multiply
    1,338,546.69x = 2,007,065.49 × 439,747.10
  4. Step 4: Simplify right side
    1,338,546.69x = 882,601,228,737.58
  5. Step 5: Solve for x
    x = 882,601,228,737.58/1,338,546.69
  6. Step 6: Final answer
    x = 659,372.76

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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.