Home / 1,231,891.98-1,847,842.51-378,957.72

Finding the Fourth Proportional to 1,231,891.98, 1,847,842.51 and 378,957.72

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Solution

The fourth proportional to 1,231,891.98, 1,847,842.51 and 378,957.72 is: 568,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,891.98 : 1,847,842.51 = 378,957.72 : x
  2. Step 2: Convert to fraction form
    1,231,891.98/1,847,842.51 = 378,957.72/x
  3. Step 3: Cross multiply
    1,231,891.98x = 1,847,842.51 × 378,957.72
  4. Step 4: Simplify right side
    1,231,891.98x = 700,254,184,508.68
  5. Step 5: Solve for x
    x = 700,254,184,508.68/1,231,891.98
  6. Step 6: Final answer
    x = 568,437.98

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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.