Home / 1,480,815.20-2,219,926.80-1,005,960.80

Finding the Fourth Proportional to 1,480,815.20, 2,219,926.80 and 1,005,960.80

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Solution

The fourth proportional to 1,480,815.20, 2,219,926.80 and 1,005,960.80 is: 1,508,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,815.20 : 2,219,926.80 = 1,005,960.80 : x
  2. Step 2: Convert to fraction form
    1,480,815.20/2,219,926.80 = 1,005,960.80/x
  3. Step 3: Cross multiply
    1,480,815.20x = 2,219,926.80 × 1,005,960.80
  4. Step 4: Simplify right side
    1,480,815.20x = 2,233,159,339,669.44
  5. Step 5: Solve for x
    x = 2,233,159,339,669.44/1,480,815.20
  6. Step 6: Final answer
    x = 1,508,060.79

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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.