Home / 996,502.10-1,490,816.55-864,844.70

Finding the Fourth Proportional to 996,502.10, 1,490,816.55 and 864,844.70

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Solution

The fourth proportional to 996,502.10, 1,490,816.55 and 864,844.70 is: 1,293,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,502.10 : 1,490,816.55 = 864,844.70 : x
  2. Step 2: Convert to fraction form
    996,502.10/1,490,816.55 = 864,844.70/x
  3. Step 3: Cross multiply
    996,502.10x = 1,490,816.55 × 864,844.70
  4. Step 4: Simplify right side
    996,502.10x = 1,289,324,791,939.78
  5. Step 5: Solve for x
    x = 1,289,324,791,939.78/996,502.10
  6. Step 6: Final answer
    x = 1,293,850.55

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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.