Home / 1,787,628.96-2,677,853.28-826,737.72

Finding the Fourth Proportional to 1,787,628.96, 2,677,853.28 and 826,737.72

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Solution

The fourth proportional to 1,787,628.96, 2,677,853.28 and 826,737.72 is: 1,238,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,628.96 : 2,677,853.28 = 826,737.72 : x
  2. Step 2: Convert to fraction form
    1,787,628.96/2,677,853.28 = 826,737.72/x
  3. Step 3: Cross multiply
    1,787,628.96x = 2,677,853.28 × 826,737.72
  4. Step 4: Simplify right side
    1,787,628.96x = 2,213,882,315,201.72
  5. Step 5: Solve for x
    x = 2,213,882,315,201.72/1,787,628.96
  6. Step 6: Final answer
    x = 1,238,446.21

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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.