Home / 1,786,089.24-2,464,793.31-970,286.40

Finding the Fourth Proportional to 1,786,089.24, 2,464,793.31 and 970,286.40

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Solution

The fourth proportional to 1,786,089.24, 2,464,793.31 and 970,286.40 is: 1,338,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,089.24 : 2,464,793.31 = 970,286.40 : x
  2. Step 2: Convert to fraction form
    1,786,089.24/2,464,793.31 = 970,286.40/x
  3. Step 3: Cross multiply
    1,786,089.24x = 2,464,793.31 × 970,286.40
  4. Step 4: Simplify right side
    1,786,089.24x = 2,391,555,427,503.98
  5. Step 5: Solve for x
    x = 2,391,555,427,503.98/1,786,089.24
  6. Step 6: Final answer
    x = 1,338,989.89

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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.