Home / 1,521,535.88-2,099,785.23-842,472.38

Finding the Fourth Proportional to 1,521,535.88, 2,099,785.23 and 842,472.38

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Solution

The fourth proportional to 1,521,535.88, 2,099,785.23 and 842,472.38 is: 1,162,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,535.88 : 2,099,785.23 = 842,472.38 : x
  2. Step 2: Convert to fraction form
    1,521,535.88/2,099,785.23 = 842,472.38/x
  3. Step 3: Cross multiply
    1,521,535.88x = 2,099,785.23 × 842,472.38
  4. Step 4: Simplify right side
    1,521,535.88x = 1,769,011,049,708.02
  5. Step 5: Solve for x
    x = 1,769,011,049,708.02/1,521,535.88
  6. Step 6: Final answer
    x = 1,162,648.27

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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.