Home / 1,615,381.32-2,229,241.36-890,255.56

Finding the Fourth Proportional to 1,615,381.32, 2,229,241.36 and 890,255.56

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Solution

The fourth proportional to 1,615,381.32, 2,229,241.36 and 890,255.56 is: 1,228,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,381.32 : 2,229,241.36 = 890,255.56 : x
  2. Step 2: Convert to fraction form
    1,615,381.32/2,229,241.36 = 890,255.56/x
  3. Step 3: Cross multiply
    1,615,381.32x = 2,229,241.36 × 890,255.56
  4. Step 4: Simplify right side
    1,615,381.32x = 1,984,594,515,321.96
  5. Step 5: Solve for x
    x = 1,984,594,515,321.96/1,615,381.32
  6. Step 6: Final answer
    x = 1,228,561.02

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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.