Home / 1,259,858.59-1,889,794.81-313,229.31

Finding the Fourth Proportional to 1,259,858.59, 1,889,794.81 and 313,229.31

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Solution

The fourth proportional to 1,259,858.59, 1,889,794.81 and 313,229.31 is: 469,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,858.59 : 1,889,794.81 = 313,229.31 : x
  2. Step 2: Convert to fraction form
    1,259,858.59/1,889,794.81 = 313,229.31/x
  3. Step 3: Cross multiply
    1,259,858.59x = 1,889,794.81 × 313,229.31
  4. Step 4: Simplify right side
    1,259,858.59x = 591,939,124,377.88
  5. Step 5: Solve for x
    x = 591,939,124,377.88/1,259,858.59
  6. Step 6: Final answer
    x = 469,845.69

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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.