Home / 1,479,930.76-2,218,567.38-1,228,825

Finding the Fourth Proportional to 1,479,930.76, 2,218,567.38 and 1,228,825

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Solution

The fourth proportional to 1,479,930.76, 2,218,567.38 and 1,228,825 is: 1,842,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,930.76 : 2,218,567.38 = 1,228,825 : x
  2. Step 2: Convert to fraction form
    1,479,930.76/2,218,567.38 = 1,228,825/x
  3. Step 3: Cross multiply
    1,479,930.76x = 2,218,567.38 × 1,228,825
  4. Step 4: Simplify right side
    1,479,930.76x = 2,726,231,060,728.50
  5. Step 5: Solve for x
    x = 2,726,231,060,728.50/1,479,930.76
  6. Step 6: Final answer
    x = 1,842,134.20

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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.