Home / 1,669,890.75-2,304,453.69-905,944.32

Finding the Fourth Proportional to 1,669,890.75, 2,304,453.69 and 905,944.32

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Solution

The fourth proportional to 1,669,890.75, 2,304,453.69 and 905,944.32 is: 1,250,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,890.75 : 2,304,453.69 = 905,944.32 : x
  2. Step 2: Convert to fraction form
    1,669,890.75/2,304,453.69 = 905,944.32/x
  3. Step 3: Cross multiply
    1,669,890.75x = 2,304,453.69 × 905,944.32
  4. Step 4: Simplify right side
    1,669,890.75x = 2,087,706,731,158.54
  5. Step 5: Solve for x
    x = 2,087,706,731,158.54/1,669,890.75
  6. Step 6: Final answer
    x = 1,250,205.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.