Home / 1,245,793.05-1,868,689.58-677,446.43

Finding the Fourth Proportional to 1,245,793.05, 1,868,689.58 and 677,446.43

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Solution

The fourth proportional to 1,245,793.05, 1,868,689.58 and 677,446.43 is: 1,016,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,793.05 : 1,868,689.58 = 677,446.43 : x
  2. Step 2: Convert to fraction form
    1,245,793.05/1,868,689.58 = 677,446.43/x
  3. Step 3: Cross multiply
    1,245,793.05x = 1,868,689.58 × 677,446.43
  4. Step 4: Simplify right side
    1,245,793.05x = 1,265,937,072,018.52
  5. Step 5: Solve for x
    x = 1,265,937,072,018.52/1,245,793.05
  6. Step 6: Final answer
    x = 1,016,169.64

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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.