Home / 1,344,138.70-2,016,380.85-670,564.30

Finding the Fourth Proportional to 1,344,138.70, 2,016,380.85 and 670,564.30

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Solution

The fourth proportional to 1,344,138.70, 2,016,380.85 and 670,564.30 is: 1,005,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,138.70 : 2,016,380.85 = 670,564.30 : x
  2. Step 2: Convert to fraction form
    1,344,138.70/2,016,380.85 = 670,564.30/x
  3. Step 3: Cross multiply
    1,344,138.70x = 2,016,380.85 × 670,564.30
  4. Step 4: Simplify right side
    1,344,138.70x = 1,352,113,013,213.66
  5. Step 5: Solve for x
    x = 1,352,113,013,213.66/1,344,138.70
  6. Step 6: Final answer
    x = 1,005,932.66

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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.