Home / 997,251.80-1,385,498.30-985,294.40

Finding the Fourth Proportional to 997,251.80, 1,385,498.30 and 985,294.40

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Solution

The fourth proportional to 997,251.80, 1,385,498.30 and 985,294.40 is: 1,368,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,251.80 : 1,385,498.30 = 985,294.40 : x
  2. Step 2: Convert to fraction form
    997,251.80/1,385,498.30 = 985,294.40/x
  3. Step 3: Cross multiply
    997,251.80x = 1,385,498.30 × 985,294.40
  4. Step 4: Simplify right side
    997,251.80x = 1,365,123,704,345.56
  5. Step 5: Solve for x
    x = 1,365,123,704,345.56/997,251.80
  6. Step 6: Final answer
    x = 1,368,885.68

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.