Home / 1,259,858.35-1,889,794.71-313,229.07

Finding the Fourth Proportional to 1,259,858.35, 1,889,794.71 and 313,229.07

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Solution

The fourth proportional to 1,259,858.35, 1,889,794.71 and 313,229.07 is: 469,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,858.35 : 1,889,794.71 = 313,229.07 : x
  2. Step 2: Convert to fraction form
    1,259,858.35/1,889,794.71 = 313,229.07/x
  3. Step 3: Cross multiply
    1,259,858.35x = 1,889,794.71 × 313,229.07
  4. Step 4: Simplify right side
    1,259,858.35x = 591,938,639,504.22
  5. Step 5: Solve for x
    x = 591,938,639,504.22/1,259,858.35
  6. Step 6: Final answer
    x = 469,845.39

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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.