Home / 1,166,440.50-1,749,660.77-279,976.50

Finding the Fourth Proportional to 1,166,440.50, 1,749,660.77 and 279,976.50

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Solution

The fourth proportional to 1,166,440.50, 1,749,660.77 and 279,976.50 is: 419,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,440.50 : 1,749,660.77 = 279,976.50 : x
  2. Step 2: Convert to fraction form
    1,166,440.50/1,749,660.77 = 279,976.50/x
  3. Step 3: Cross multiply
    1,166,440.50x = 1,749,660.77 × 279,976.50
  4. Step 4: Simplify right side
    1,166,440.50x = 489,863,899,271.85
  5. Step 5: Solve for x
    x = 489,863,899,271.85/1,166,440.50
  6. Step 6: Final answer
    x = 419,964.76

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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.