Home / 1,231,248.20-1,846,872.30-389,865.80

Finding the Fourth Proportional to 1,231,248.20, 1,846,872.30 and 389,865.80

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Solution

The fourth proportional to 1,231,248.20, 1,846,872.30 and 389,865.80 is: 584,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,248.20 : 1,846,872.30 = 389,865.80 : x
  2. Step 2: Convert to fraction form
    1,231,248.20/1,846,872.30 = 389,865.80/x
  3. Step 3: Cross multiply
    1,231,248.20x = 1,846,872.30 × 389,865.80
  4. Step 4: Simplify right side
    1,231,248.20x = 720,032,346,737.34
  5. Step 5: Solve for x
    x = 720,032,346,737.34/1,231,248.20
  6. Step 6: Final answer
    x = 584,798.70

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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.