Home / 1,721,412.30-2,375,542.64-957,465.87

Finding the Fourth Proportional to 1,721,412.30, 2,375,542.64 and 957,465.87

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Solution

The fourth proportional to 1,721,412.30, 2,375,542.64 and 957,465.87 is: 1,321,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,412.30 : 2,375,542.64 = 957,465.87 : x
  2. Step 2: Convert to fraction form
    1,721,412.30/2,375,542.64 = 957,465.87/x
  3. Step 3: Cross multiply
    1,721,412.30x = 2,375,542.64 × 957,465.87
  4. Step 4: Simplify right side
    1,721,412.30x = 2,274,500,988,629.33
  5. Step 5: Solve for x
    x = 2,274,500,988,629.33/1,721,412.30
  6. Step 6: Final answer
    x = 1,321,299.37

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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.