Home / 1,238,090.22-1,857,550.74-479,956.41

Finding the Fourth Proportional to 1,238,090.22, 1,857,550.74 and 479,956.41

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Solution

The fourth proportional to 1,238,090.22, 1,857,550.74 and 479,956.41 is: 720,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,090.22 : 1,857,550.74 = 479,956.41 : x
  2. Step 2: Convert to fraction form
    1,238,090.22/1,857,550.74 = 479,956.41/x
  3. Step 3: Cross multiply
    1,238,090.22x = 1,857,550.74 × 479,956.41
  4. Step 4: Simplify right side
    1,238,090.22x = 891,543,384,563.24
  5. Step 5: Solve for x
    x = 891,543,384,563.24/1,238,090.22
  6. Step 6: Final answer
    x = 720,095.65

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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.