Home / 1,646,348.20-2,468,139.90-858,380.20

Finding the Fourth Proportional to 1,646,348.20, 2,468,139.90 and 858,380.20

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Solution

The fourth proportional to 1,646,348.20, 2,468,139.90 and 858,380.20 is: 1,286,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,348.20 : 2,468,139.90 = 858,380.20 : x
  2. Step 2: Convert to fraction form
    1,646,348.20/2,468,139.90 = 858,380.20/x
  3. Step 3: Cross multiply
    1,646,348.20x = 2,468,139.90 × 858,380.20
  4. Step 4: Simplify right side
    1,646,348.20x = 2,118,602,420,989.98
  5. Step 5: Solve for x
    x = 2,118,602,420,989.98/1,646,348.20
  6. Step 6: Final answer
    x = 1,286,849.54

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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.