Home / 1,259,883.56-1,889,832.45-313,254.38

Finding the Fourth Proportional to 1,259,883.56, 1,889,832.45 and 313,254.38

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Solution

The fourth proportional to 1,259,883.56, 1,889,832.45 and 313,254.38 is: 469,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,883.56 : 1,889,832.45 = 313,254.38 : x
  2. Step 2: Convert to fraction form
    1,259,883.56/1,889,832.45 = 313,254.38/x
  3. Step 3: Cross multiply
    1,259,883.56x = 1,889,832.45 × 313,254.38
  4. Step 4: Simplify right side
    1,259,883.56x = 591,998,292,428.63
  5. Step 5: Solve for x
    x = 591,998,292,428.63/1,259,883.56
  6. Step 6: Final answer
    x = 469,883.34

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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.