Home / 1,246,872.78-1,720,649.96-703,003.84

Finding the Fourth Proportional to 1,246,872.78, 1,720,649.96 and 703,003.84

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Solution

The fourth proportional to 1,246,872.78, 1,720,649.96 and 703,003.84 is: 970,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,872.78 : 1,720,649.96 = 703,003.84 : x
  2. Step 2: Convert to fraction form
    1,246,872.78/1,720,649.96 = 703,003.84/x
  3. Step 3: Cross multiply
    1,246,872.78x = 1,720,649.96 × 703,003.84
  4. Step 4: Simplify right side
    1,246,872.78x = 1,209,623,529,175.85
  5. Step 5: Solve for x
    x = 1,209,623,529,175.85/1,246,872.78
  6. Step 6: Final answer
    x = 970,125.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.