Home / 993,974.52-1,490,961.55-284,002.57

Finding the Fourth Proportional to 993,974.52, 1,490,961.55 and 284,002.57

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Solution

The fourth proportional to 993,974.52, 1,490,961.55 and 284,002.57 is: 426,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,974.52 : 1,490,961.55 = 284,002.57 : x
  2. Step 2: Convert to fraction form
    993,974.52/1,490,961.55 = 284,002.57/x
  3. Step 3: Cross multiply
    993,974.52x = 1,490,961.55 × 284,002.57
  4. Step 4: Simplify right side
    993,974.52x = 423,436,905,270.73
  5. Step 5: Solve for x
    x = 423,436,905,270.73/993,974.52
  6. Step 6: Final answer
    x = 426,003.78

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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.