Home / 1,259,859.35-1,889,796.21-313,230.07

Finding the Fourth Proportional to 1,259,859.35, 1,889,796.21 and 313,230.07

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Solution

The fourth proportional to 1,259,859.35, 1,889,796.21 and 313,230.07 is: 469,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,859.35 : 1,889,796.21 = 313,230.07 : x
  2. Step 2: Convert to fraction form
    1,259,859.35/1,889,796.21 = 313,230.07/x
  3. Step 3: Cross multiply
    1,259,859.35x = 1,889,796.21 × 313,230.07
  4. Step 4: Simplify right side
    1,259,859.35x = 591,940,999,144.04
  5. Step 5: Solve for x
    x = 591,940,999,144.04/1,259,859.35
  6. Step 6: Final answer
    x = 469,846.89

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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.