Home / 1,787,622.96-2,677,844.28-826,731.72

Finding the Fourth Proportional to 1,787,622.96, 2,677,844.28 and 826,731.72

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Solution

The fourth proportional to 1,787,622.96, 2,677,844.28 and 826,731.72 is: 1,238,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,622.96 : 2,677,844.28 = 826,731.72 : x
  2. Step 2: Convert to fraction form
    1,787,622.96/2,677,844.28 = 826,731.72/x
  3. Step 3: Cross multiply
    1,787,622.96x = 2,677,844.28 × 826,731.72
  4. Step 4: Simplify right side
    1,787,622.96x = 2,213,858,807,496.56
  5. Step 5: Solve for x
    x = 2,213,858,807,496.56/1,787,622.96
  6. Step 6: Final answer
    x = 1,238,437.22

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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.