Home / 1,300,645.41-1,951,682.16-661,004.32

Finding the Fourth Proportional to 1,300,645.41, 1,951,682.16 and 661,004.32

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Solution

The fourth proportional to 1,300,645.41, 1,951,682.16 and 661,004.32 is: 991,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,645.41 : 1,951,682.16 = 661,004.32 : x
  2. Step 2: Convert to fraction form
    1,300,645.41/1,951,682.16 = 661,004.32/x
  3. Step 3: Cross multiply
    1,300,645.41x = 1,951,682.16 × 661,004.32
  4. Step 4: Simplify right side
    1,300,645.41x = 1,290,070,329,268.52
  5. Step 5: Solve for x
    x = 1,290,070,329,268.52/1,300,645.41
  6. Step 6: Final answer
    x = 991,869.36

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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.