Home / 1,259,834.73-1,889,759.03-313,205.45

Finding the Fourth Proportional to 1,259,834.73, 1,889,759.03 and 313,205.45

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Solution

The fourth proportional to 1,259,834.73, 1,889,759.03 and 313,205.45 is: 469,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,834.73 : 1,889,759.03 = 313,205.45 : x
  2. Step 2: Convert to fraction form
    1,259,834.73/1,889,759.03 = 313,205.45/x
  3. Step 3: Cross multiply
    1,259,834.73x = 1,889,759.03 × 313,205.45
  4. Step 4: Simplify right side
    1,259,834.73x = 591,882,832,890.13
  5. Step 5: Solve for x
    x = 591,882,832,890.13/1,259,834.73
  6. Step 6: Final answer
    x = 469,809.90

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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.