Home / 1,259,820.42-1,889,714.22-313,199.34

Finding the Fourth Proportional to 1,259,820.42, 1,889,714.22 and 313,199.34

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Solution

The fourth proportional to 1,259,820.42, 1,889,714.22 and 313,199.34 is: 469,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,820.42 : 1,889,714.22 = 313,199.34 : x
  2. Step 2: Convert to fraction form
    1,259,820.42/1,889,714.22 = 313,199.34/x
  3. Step 3: Cross multiply
    1,259,820.42x = 1,889,714.22 × 313,199.34
  4. Step 4: Simplify right side
    1,259,820.42x = 591,857,246,492.62
  5. Step 5: Solve for x
    x = 591,857,246,492.62/1,259,820.42
  6. Step 6: Final answer
    x = 469,794.93

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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.