Home / 1,270,571.90-1,753,419.66-689,819.46

Finding the Fourth Proportional to 1,270,571.90, 1,753,419.66 and 689,819.46

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Solution

The fourth proportional to 1,270,571.90, 1,753,419.66 and 689,819.46 is: 951,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,571.90 : 1,753,419.66 = 689,819.46 : x
  2. Step 2: Convert to fraction form
    1,270,571.90/1,753,419.66 = 689,819.46/x
  3. Step 3: Cross multiply
    1,270,571.90x = 1,753,419.66 × 689,819.46
  4. Step 4: Simplify right side
    1,270,571.90x = 1,209,543,003,014.58
  5. Step 5: Solve for x
    x = 1,209,543,003,014.58/1,270,571.90
  6. Step 6: Final answer
    x = 951,967.38

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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.