Home / 1,268,407.92-1,900,616.31-980,923.32

Finding the Fourth Proportional to 1,268,407.92, 1,900,616.31 and 980,923.32

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Solution

The fourth proportional to 1,268,407.92, 1,900,616.31 and 980,923.32 is: 1,469,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,407.92 : 1,900,616.31 = 980,923.32 : x
  2. Step 2: Convert to fraction form
    1,268,407.92/1,900,616.31 = 980,923.32/x
  3. Step 3: Cross multiply
    1,268,407.92x = 1,900,616.31 × 980,923.32
  4. Step 4: Simplify right side
    1,268,407.92x = 1,864,358,860,851.35
  5. Step 5: Solve for x
    x = 1,864,358,860,851.35/1,268,407.92
  6. Step 6: Final answer
    x = 1,469,841.71

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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.