Home / 1,450,705.39-2,001,352.37-905,895.33

Finding the Fourth Proportional to 1,450,705.39, 2,001,352.37 and 905,895.33

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Solution

The fourth proportional to 1,450,705.39, 2,001,352.37 and 905,895.33 is: 1,249,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,705.39 : 2,001,352.37 = 905,895.33 : x
  2. Step 2: Convert to fraction form
    1,450,705.39/2,001,352.37 = 905,895.33/x
  3. Step 3: Cross multiply
    1,450,705.39x = 2,001,352.37 × 905,895.33
  4. Step 4: Simplify right side
    1,450,705.39x = 1,813,015,765,667.43
  5. Step 5: Solve for x
    x = 1,813,015,765,667.43/1,450,705.39
  6. Step 6: Final answer
    x = 1,249,747.73

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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.