Home / 1,489,321.76-2,055,199.13-826,992.56

Finding the Fourth Proportional to 1,489,321.76, 2,055,199.13 and 826,992.56

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Solution

The fourth proportional to 1,489,321.76, 2,055,199.13 and 826,992.56 is: 1,141,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,321.76 : 2,055,199.13 = 826,992.56 : x
  2. Step 2: Convert to fraction form
    1,489,321.76/2,055,199.13 = 826,992.56/x
  3. Step 3: Cross multiply
    1,489,321.76x = 2,055,199.13 × 826,992.56
  4. Step 4: Simplify right side
    1,489,321.76x = 1,699,634,375,417.51
  5. Step 5: Solve for x
    x = 1,699,634,375,417.51/1,489,321.76
  6. Step 6: Final answer
    x = 1,141,213.69

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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.