Home / 1,489,308.15-2,055,254.13-810,249.51

Finding the Fourth Proportional to 1,489,308.15, 2,055,254.13 and 810,249.51

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Solution

The fourth proportional to 1,489,308.15, 2,055,254.13 and 810,249.51 is: 1,118,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,308.15 : 2,055,254.13 = 810,249.51 : x
  2. Step 2: Convert to fraction form
    1,489,308.15/2,055,254.13 = 810,249.51/x
  3. Step 3: Cross multiply
    1,489,308.15x = 2,055,254.13 × 810,249.51
  4. Step 4: Simplify right side
    1,489,308.15x = 1,665,268,651,757.98
  5. Step 5: Solve for x
    x = 1,665,268,651,757.98/1,489,308.15
  6. Step 6: Final answer
    x = 1,118,149.16

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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.