Home / 994,020.20-1,491,030.30-858,717.80

Finding the Fourth Proportional to 994,020.20, 1,491,030.30 and 858,717.80

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Solution

The fourth proportional to 994,020.20, 1,491,030.30 and 858,717.80 is: 1,288,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,020.20 : 1,491,030.30 = 858,717.80 : x
  2. Step 2: Convert to fraction form
    994,020.20/1,491,030.30 = 858,717.80/x
  3. Step 3: Cross multiply
    994,020.20x = 1,491,030.30 × 858,717.80
  4. Step 4: Simplify right side
    994,020.20x = 1,280,374,258,949.34
  5. Step 5: Solve for x
    x = 1,280,374,258,949.34/994,020.20
  6. Step 6: Final answer
    x = 1,288,076.70

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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.