Home / 1,193,012.82-1,792,508.60-1,121,268.28

Finding the Fourth Proportional to 1,193,012.82, 1,792,508.60 and 1,121,268.28

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Solution

The fourth proportional to 1,193,012.82, 1,792,508.60 and 1,121,268.28 is: 1,684,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,012.82 : 1,792,508.60 = 1,121,268.28 : x
  2. Step 2: Convert to fraction form
    1,193,012.82/1,792,508.60 = 1,121,268.28/x
  3. Step 3: Cross multiply
    1,193,012.82x = 1,792,508.60 × 1,121,268.28
  4. Step 4: Simplify right side
    1,193,012.82x = 2,009,883,034,807.21
  5. Step 5: Solve for x
    x = 2,009,883,034,807.21/1,193,012.82
  6. Step 6: Final answer
    x = 1,684,712.02

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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.