Home / 1,397,389.69-2,094,589.63-722,791.82

Finding the Fourth Proportional to 1,397,389.69, 2,094,589.63 and 722,791.82

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Solution

The fourth proportional to 1,397,389.69, 2,094,589.63 and 722,791.82 is: 1,083,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,389.69 : 2,094,589.63 = 722,791.82 : x
  2. Step 2: Convert to fraction form
    1,397,389.69/2,094,589.63 = 722,791.82/x
  3. Step 3: Cross multiply
    1,397,389.69x = 2,094,589.63 × 722,791.82
  4. Step 4: Simplify right side
    1,397,389.69x = 1,513,952,256,960.79
  5. Step 5: Solve for x
    x = 1,513,952,256,960.79/1,397,389.69
  6. Step 6: Final answer
    x = 1,083,414.50

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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.