Home / 1,418,261.56-2,127,375.94-407,408.30

Finding the Fourth Proportional to 1,418,261.56, 2,127,375.94 and 407,408.30

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Solution

The fourth proportional to 1,418,261.56, 2,127,375.94 and 407,408.30 is: 611,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,261.56 : 2,127,375.94 = 407,408.30 : x
  2. Step 2: Convert to fraction form
    1,418,261.56/2,127,375.94 = 407,408.30/x
  3. Step 3: Cross multiply
    1,418,261.56x = 2,127,375.94 × 407,408.30
  4. Step 4: Simplify right side
    1,418,261.56x = 866,710,615,176.30
  5. Step 5: Solve for x
    x = 866,710,615,176.30/1,418,261.56
  6. Step 6: Final answer
    x = 611,107.74

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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.