Home / 995,261.40-1,489,716.90-785,309.40

Finding the Fourth Proportional to 995,261.40, 1,489,716.90 and 785,309.40

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Solution

The fourth proportional to 995,261.40, 1,489,716.90 and 785,309.40 is: 1,175,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,261.40 : 1,489,716.90 = 785,309.40 : x
  2. Step 2: Convert to fraction form
    995,261.40/1,489,716.90 = 785,309.40/x
  3. Step 3: Cross multiply
    995,261.40x = 1,489,716.90 × 785,309.40
  4. Step 4: Simplify right side
    995,261.40x = 1,169,888,684,908.86
  5. Step 5: Solve for x
    x = 1,169,888,684,908.86/995,261.40
  6. Step 6: Final answer
    x = 1,175,458.71

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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.