Home / 1,752,490.92-2,627,605.92-687,640.56

Finding the Fourth Proportional to 1,752,490.92, 2,627,605.92 and 687,640.56

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Solution

The fourth proportional to 1,752,490.92, 2,627,605.92 and 687,640.56 is: 1,031,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,490.92 : 2,627,605.92 = 687,640.56 : x
  2. Step 2: Convert to fraction form
    1,752,490.92/2,627,605.92 = 687,640.56/x
  3. Step 3: Cross multiply
    1,752,490.92x = 2,627,605.92 × 687,640.56
  4. Step 4: Simplify right side
    1,752,490.92x = 1,806,848,406,288.12
  5. Step 5: Solve for x
    x = 1,806,848,406,288.12/1,752,490.92
  6. Step 6: Final answer
    x = 1,031,017.27

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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.