Home / 1,259,820.92-1,889,714.98-313,199.84

Finding the Fourth Proportional to 1,259,820.92, 1,889,714.98 and 313,199.84

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Solution

The fourth proportional to 1,259,820.92, 1,889,714.98 and 313,199.84 is: 469,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,820.92 : 1,889,714.98 = 313,199.84 : x
  2. Step 2: Convert to fraction form
    1,259,820.92/1,889,714.98 = 313,199.84/x
  3. Step 3: Cross multiply
    1,259,820.92x = 1,889,714.98 × 313,199.84
  4. Step 4: Simplify right side
    1,259,820.92x = 591,858,429,381.60
  5. Step 5: Solve for x
    x = 591,858,429,381.60/1,259,820.92
  6. Step 6: Final answer
    x = 469,795.68

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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.