Home / 1,230,209.24-1,697,650.26-721,250.60

Finding the Fourth Proportional to 1,230,209.24, 1,697,650.26 and 721,250.60

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Solution

The fourth proportional to 1,230,209.24, 1,697,650.26 and 721,250.60 is: 995,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,209.24 : 1,697,650.26 = 721,250.60 : x
  2. Step 2: Convert to fraction form
    1,230,209.24/1,697,650.26 = 721,250.60/x
  3. Step 3: Cross multiply
    1,230,209.24x = 1,697,650.26 × 721,250.60
  4. Step 4: Simplify right side
    1,230,209.24x = 1,224,431,268,615.16
  5. Step 5: Solve for x
    x = 1,224,431,268,615.16/1,230,209.24
  6. Step 6: Final answer
    x = 995,303.26

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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.