Home / 1,296,527.82-1,789,388.73-723,604.90

Finding the Fourth Proportional to 1,296,527.82, 1,789,388.73 and 723,604.90

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Solution

The fourth proportional to 1,296,527.82, 1,789,388.73 and 723,604.90 is: 998,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,527.82 : 1,789,388.73 = 723,604.90 : x
  2. Step 2: Convert to fraction form
    1,296,527.82/1,789,388.73 = 723,604.90/x
  3. Step 3: Cross multiply
    1,296,527.82x = 1,789,388.73 × 723,604.90
  4. Step 4: Simplify right side
    1,296,527.82x = 1,294,810,453,032.78
  5. Step 5: Solve for x
    x = 1,294,810,453,032.78/1,296,527.82
  6. Step 6: Final answer
    x = 998,675.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.