Home / 1,321,481.50-1,823,489.76-777,497.65

Finding the Fourth Proportional to 1,321,481.50, 1,823,489.76 and 777,497.65

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Solution

The fourth proportional to 1,321,481.50, 1,823,489.76 and 777,497.65 is: 1,072,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,481.50 : 1,823,489.76 = 777,497.65 : x
  2. Step 2: Convert to fraction form
    1,321,481.50/1,823,489.76 = 777,497.65/x
  3. Step 3: Cross multiply
    1,321,481.50x = 1,823,489.76 × 777,497.65
  4. Step 4: Simplify right side
    1,321,481.50x = 1,417,759,003,199.06
  5. Step 5: Solve for x
    x = 1,417,759,003,199.06/1,321,481.50
  6. Step 6: Final answer
    x = 1,072,855.73

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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.