Home / 1,259,873.34-1,889,811.44-313,244.16

Finding the Fourth Proportional to 1,259,873.34, 1,889,811.44 and 313,244.16

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Solution

The fourth proportional to 1,259,873.34, 1,889,811.44 and 313,244.16 is: 469,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,873.34 : 1,889,811.44 = 313,244.16 : x
  2. Step 2: Convert to fraction form
    1,259,873.34/1,889,811.44 = 313,244.16/x
  3. Step 3: Cross multiply
    1,259,873.34x = 1,889,811.44 × 313,244.16
  4. Step 4: Simplify right side
    1,259,873.34x = 591,972,395,514.97
  5. Step 5: Solve for x
    x = 591,972,395,514.97/1,259,873.34
  6. Step 6: Final answer
    x = 469,866.59

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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.