Home / 1,445,226.03-1,993,608.45-1,138,171.23

Finding the Fourth Proportional to 1,445,226.03, 1,993,608.45 and 1,138,171.23

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Solution

The fourth proportional to 1,445,226.03, 1,993,608.45 and 1,138,171.23 is: 1,570,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,226.03 : 1,993,608.45 = 1,138,171.23 : x
  2. Step 2: Convert to fraction form
    1,445,226.03/1,993,608.45 = 1,138,171.23/x
  3. Step 3: Cross multiply
    1,445,226.03x = 1,993,608.45 × 1,138,171.23
  4. Step 4: Simplify right side
    1,445,226.03x = 2,269,067,781,674.89
  5. Step 5: Solve for x
    x = 2,269,067,781,674.89/1,445,226.03
  6. Step 6: Final answer
    x = 1,570,043.53

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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.