Home / 1,625,344.76-2,242,992.24-980,640.32

Finding the Fourth Proportional to 1,625,344.76, 2,242,992.24 and 980,640.32

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Solution

The fourth proportional to 1,625,344.76, 2,242,992.24 and 980,640.32 is: 1,353,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,344.76 : 2,242,992.24 = 980,640.32 : x
  2. Step 2: Convert to fraction form
    1,625,344.76/2,242,992.24 = 980,640.32/x
  3. Step 3: Cross multiply
    1,625,344.76x = 2,242,992.24 × 980,640.32
  4. Step 4: Simplify right side
    1,625,344.76x = 2,199,568,627,991.12
  5. Step 5: Solve for x
    x = 2,199,568,627,991.12/1,625,344.76
  6. Step 6: Final answer
    x = 1,353,293.58

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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.