Home / 1,531,335.40-2,296,987.53-394,093.18

Finding the Fourth Proportional to 1,531,335.40, 2,296,987.53 and 394,093.18

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Solution

The fourth proportional to 1,531,335.40, 2,296,987.53 and 394,093.18 is: 591,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,335.40 : 2,296,987.53 = 394,093.18 : x
  2. Step 2: Convert to fraction form
    1,531,335.40/2,296,987.53 = 394,093.18/x
  3. Step 3: Cross multiply
    1,531,335.40x = 2,296,987.53 × 394,093.18
  4. Step 4: Simplify right side
    1,531,335.40x = 905,227,120,118.05
  5. Step 5: Solve for x
    x = 905,227,120,118.05/1,531,335.40
  6. Step 6: Final answer
    x = 591,135.76

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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.