Home / 1,296,468.29-1,789,295.51-723,627.38

Finding the Fourth Proportional to 1,296,468.29, 1,789,295.51 and 723,627.38

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Solution

The fourth proportional to 1,296,468.29, 1,789,295.51 and 723,627.38 is: 998,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,468.29 : 1,789,295.51 = 723,627.38 : x
  2. Step 2: Convert to fraction form
    1,296,468.29/1,789,295.51 = 723,627.38/x
  3. Step 3: Cross multiply
    1,296,468.29x = 1,789,295.51 × 723,627.38
  4. Step 4: Simplify right side
    1,296,468.29x = 1,294,783,218,164.58
  5. Step 5: Solve for x
    x = 1,294,783,218,164.58/1,296,468.29
  6. Step 6: Final answer
    x = 998,700.26

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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.