Home / 1,296,006.27-1,788,489.75-723,046.56

Finding the Fourth Proportional to 1,296,006.27, 1,788,489.75 and 723,046.56

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Solution

The fourth proportional to 1,296,006.27, 1,788,489.75 and 723,046.56 is: 997,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,006.27 : 1,788,489.75 = 723,046.56 : x
  2. Step 2: Convert to fraction form
    1,296,006.27/1,788,489.75 = 723,046.56/x
  3. Step 3: Cross multiply
    1,296,006.27x = 1,788,489.75 × 723,046.56
  4. Step 4: Simplify right side
    1,296,006.27x = 1,293,161,361,332.76
  5. Step 5: Solve for x
    x = 1,293,161,361,332.76/1,296,006.27
  6. Step 6: Final answer
    x = 997,804.87

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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.