Home / 1,724,412.66-2,378,865.33-1,339,807.38

Finding the Fourth Proportional to 1,724,412.66, 2,378,865.33 and 1,339,807.38

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Solution

The fourth proportional to 1,724,412.66, 2,378,865.33 and 1,339,807.38 is: 1,848,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,412.66 : 2,378,865.33 = 1,339,807.38 : x
  2. Step 2: Convert to fraction form
    1,724,412.66/2,378,865.33 = 1,339,807.38/x
  3. Step 3: Cross multiply
    1,724,412.66x = 2,378,865.33 × 1,339,807.38
  4. Step 4: Simplify right side
    1,724,412.66x = 3,187,221,325,160.14
  5. Step 5: Solve for x
    x = 3,187,221,325,160.14/1,724,412.66
  6. Step 6: Final answer
    x = 1,848,293.86

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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.