Home / 1,413,475.88-2,120,180.72-453,929.64

Finding the Fourth Proportional to 1,413,475.88, 2,120,180.72 and 453,929.64

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Solution

The fourth proportional to 1,413,475.88, 2,120,180.72 and 453,929.64 is: 680,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,475.88 : 2,120,180.72 = 453,929.64 : x
  2. Step 2: Convert to fraction form
    1,413,475.88/2,120,180.72 = 453,929.64/x
  3. Step 3: Cross multiply
    1,413,475.88x = 2,120,180.72 × 453,929.64
  4. Step 4: Simplify right side
    1,413,475.88x = 962,412,870,964.54
  5. Step 5: Solve for x
    x = 962,412,870,964.54/1,413,475.88
  6. Step 6: Final answer
    x = 680,883.83

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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.