Home / 1,609,115.40-2,415,228.30-979,259.40

Finding the Fourth Proportional to 1,609,115.40, 2,415,228.30 and 979,259.40

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Solution

The fourth proportional to 1,609,115.40, 2,415,228.30 and 979,259.40 is: 1,469,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,115.40 : 2,415,228.30 = 979,259.40 : x
  2. Step 2: Convert to fraction form
    1,609,115.40/2,415,228.30 = 979,259.40/x
  3. Step 3: Cross multiply
    1,609,115.40x = 2,415,228.30 × 979,259.40
  4. Step 4: Simplify right side
    1,609,115.40x = 2,365,135,015,921.02
  5. Step 5: Solve for x
    x = 2,365,135,015,921.02/1,609,115.40
  6. Step 6: Final answer
    x = 1,469,835.55

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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.