Home / 1,724,420.66-2,378,876.37-1,339,815.38

Finding the Fourth Proportional to 1,724,420.66, 2,378,876.37 and 1,339,815.38

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Solution

The fourth proportional to 1,724,420.66, 2,378,876.37 and 1,339,815.38 is: 1,848,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,420.66 : 2,378,876.37 = 1,339,815.38 : x
  2. Step 2: Convert to fraction form
    1,724,420.66/2,378,876.37 = 1,339,815.38/x
  3. Step 3: Cross multiply
    1,724,420.66x = 2,378,876.37 × 1,339,815.38
  4. Step 4: Simplify right side
    1,724,420.66x = 3,187,255,147,644.57
  5. Step 5: Solve for x
    x = 3,187,255,147,644.57/1,724,420.66
  6. Step 6: Final answer
    x = 1,848,304.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.