Home / 1,709,908.38-2,359,743.03-945,948.78

Finding the Fourth Proportional to 1,709,908.38, 2,359,743.03 and 945,948.78

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Solution

The fourth proportional to 1,709,908.38, 2,359,743.03 and 945,948.78 is: 1,305,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,908.38 : 2,359,743.03 = 945,948.78 : x
  2. Step 2: Convert to fraction form
    1,709,908.38/2,359,743.03 = 945,948.78/x
  3. Step 3: Cross multiply
    1,709,908.38x = 2,359,743.03 × 945,948.78
  4. Step 4: Simplify right side
    1,709,908.38x = 2,232,196,040,342.00
  5. Step 5: Solve for x
    x = 2,232,196,040,342.00/1,709,908.38
  6. Step 6: Final answer
    x = 1,305,447.75

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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.