Home / 1,397,709.80-2,096,564.70-1,332,755.90

Finding the Fourth Proportional to 1,397,709.80, 2,096,564.70 and 1,332,755.90

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Solution

The fourth proportional to 1,397,709.80, 2,096,564.70 and 1,332,755.90 is: 1,999,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,709.80 : 2,096,564.70 = 1,332,755.90 : x
  2. Step 2: Convert to fraction form
    1,397,709.80/2,096,564.70 = 1,332,755.90/x
  3. Step 3: Cross multiply
    1,397,709.80x = 2,096,564.70 × 1,332,755.90
  4. Step 4: Simplify right side
    1,397,709.80x = 2,794,208,973,656.73
  5. Step 5: Solve for x
    x = 2,794,208,973,656.73/1,397,709.80
  6. Step 6: Final answer
    x = 1,999,133.85

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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.