Home / 1,656,686.10-2,485,029.15-859,524.60

Finding the Fourth Proportional to 1,656,686.10, 2,485,029.15 and 859,524.60

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Solution

The fourth proportional to 1,656,686.10, 2,485,029.15 and 859,524.60 is: 1,289,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,686.10 : 2,485,029.15 = 859,524.60 : x
  2. Step 2: Convert to fraction form
    1,656,686.10/2,485,029.15 = 859,524.60/x
  3. Step 3: Cross multiply
    1,656,686.10x = 2,485,029.15 × 859,524.60
  4. Step 4: Simplify right side
    1,656,686.10x = 2,135,943,686,142.09
  5. Step 5: Solve for x
    x = 2,135,943,686,142.09/1,656,686.10
  6. Step 6: Final answer
    x = 1,289,286.90

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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.