Home / 1,237,906.80-1,857,012.48-479,760.84

Finding the Fourth Proportional to 1,237,906.80, 1,857,012.48 and 479,760.84

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Solution

The fourth proportional to 1,237,906.80, 1,857,012.48 and 479,760.84 is: 719,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,906.80 : 1,857,012.48 = 479,760.84 : x
  2. Step 2: Convert to fraction form
    1,237,906.80/1,857,012.48 = 479,760.84/x
  3. Step 3: Cross multiply
    1,237,906.80x = 1,857,012.48 × 479,760.84
  4. Step 4: Simplify right side
    1,237,906.80x = 890,921,867,295.28
  5. Step 5: Solve for x
    x = 890,921,867,295.28/1,237,906.80
  6. Step 6: Final answer
    x = 719,700.28

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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.