Home / 1,381,843.17-2,072,567.91-435,189.27

Finding the Fourth Proportional to 1,381,843.17, 2,072,567.91 and 435,189.27

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Solution

The fourth proportional to 1,381,843.17, 2,072,567.91 and 435,189.27 is: 652,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,843.17 : 2,072,567.91 = 435,189.27 : x
  2. Step 2: Convert to fraction form
    1,381,843.17/2,072,567.91 = 435,189.27/x
  3. Step 3: Cross multiply
    1,381,843.17x = 2,072,567.91 × 435,189.27
  4. Step 4: Simplify right side
    1,381,843.17x = 901,959,315,778.33
  5. Step 5: Solve for x
    x = 901,959,315,778.33/1,381,843.17
  6. Step 6: Final answer
    x = 652,721.91

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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.