Home / 1,615,274.12-2,229,093.26-890,147.85

Finding the Fourth Proportional to 1,615,274.12, 2,229,093.26 and 890,147.85

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Solution

The fourth proportional to 1,615,274.12, 2,229,093.26 and 890,147.85 is: 1,228,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,274.12 : 2,229,093.26 = 890,147.85 : x
  2. Step 2: Convert to fraction form
    1,615,274.12/2,229,093.26 = 890,147.85/x
  3. Step 3: Cross multiply
    1,615,274.12x = 2,229,093.26 × 890,147.85
  4. Step 4: Simplify right side
    1,615,274.12x = 1,984,222,568,387.75
  5. Step 5: Solve for x
    x = 1,984,222,568,387.75/1,615,274.12
  6. Step 6: Final answer
    x = 1,228,412.29

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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.