Home / 864,010.10-1,296,015.15-834,979.70

Finding the Fourth Proportional to 864,010.10, 1,296,015.15 and 834,979.70

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Solution

The fourth proportional to 864,010.10, 1,296,015.15 and 834,979.70 is: 1,252,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,010.10 : 1,296,015.15 = 834,979.70 : x
  2. Step 2: Convert to fraction form
    864,010.10/1,296,015.15 = 834,979.70/x
  3. Step 3: Cross multiply
    864,010.10x = 1,296,015.15 × 834,979.70
  4. Step 4: Simplify right side
    864,010.10x = 1,082,146,341,142.45
  5. Step 5: Solve for x
    x = 1,082,146,341,142.45/864,010.10
  6. Step 6: Final answer
    x = 1,252,469.55

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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.