Home / 1,228,739.66-1,843,107.89-330,181.41

Finding the Fourth Proportional to 1,228,739.66, 1,843,107.89 and 330,181.41

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Solution

The fourth proportional to 1,228,739.66, 1,843,107.89 and 330,181.41 is: 495,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,739.66 : 1,843,107.89 = 330,181.41 : x
  2. Step 2: Convert to fraction form
    1,228,739.66/1,843,107.89 = 330,181.41/x
  3. Step 3: Cross multiply
    1,228,739.66x = 1,843,107.89 × 330,181.41
  4. Step 4: Simplify right side
    1,228,739.66x = 608,559,960,251.42
  5. Step 5: Solve for x
    x = 608,559,960,251.42/1,228,739.66
  6. Step 6: Final answer
    x = 495,271.69

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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.