Home / 1,625,911.38-2,440,379.61-827,789.94

Finding the Fourth Proportional to 1,625,911.38, 2,440,379.61 and 827,789.94

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Solution

The fourth proportional to 1,625,911.38, 2,440,379.61 and 827,789.94 is: 1,242,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,911.38 : 2,440,379.61 = 827,789.94 : x
  2. Step 2: Convert to fraction form
    1,625,911.38/2,440,379.61 = 827,789.94/x
  3. Step 3: Cross multiply
    1,625,911.38x = 2,440,379.61 × 827,789.94
  4. Step 4: Simplify right side
    1,625,911.38x = 2,020,121,690,939.12
  5. Step 5: Solve for x
    x = 2,020,121,690,939.12/1,625,911.38
  6. Step 6: Final answer
    x = 1,242,454.98

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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.