Home / 1,245,399.60-1,867,840.20-346,609.20

Finding the Fourth Proportional to 1,245,399.60, 1,867,840.20 and 346,609.20

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Solution

The fourth proportional to 1,245,399.60, 1,867,840.20 and 346,609.20 is: 519,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,399.60 : 1,867,840.20 = 346,609.20 : x
  2. Step 2: Convert to fraction form
    1,245,399.60/1,867,840.20 = 346,609.20/x
  3. Step 3: Cross multiply
    1,245,399.60x = 1,867,840.20 × 346,609.20
  4. Step 4: Simplify right side
    1,245,399.60x = 647,410,597,449.84
  5. Step 5: Solve for x
    x = 647,410,597,449.84/1,245,399.60
  6. Step 6: Final answer
    x = 519,841.66

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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.