Home / 1,279,251.75-1,765,366.95-735,493.83

Finding the Fourth Proportional to 1,279,251.75, 1,765,366.95 and 735,493.83

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Solution

The fourth proportional to 1,279,251.75, 1,765,366.95 and 735,493.83 is: 1,014,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,251.75 : 1,765,366.95 = 735,493.83 : x
  2. Step 2: Convert to fraction form
    1,279,251.75/1,765,366.95 = 735,493.83/x
  3. Step 3: Cross multiply
    1,279,251.75x = 1,765,366.95 × 735,493.83
  4. Step 4: Simplify right side
    1,279,251.75x = 1,298,416,499,410.92
  5. Step 5: Solve for x
    x = 1,298,416,499,410.92/1,279,251.75
  6. Step 6: Final answer
    x = 1,014,981.22

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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.