Home / 1,381,846.36-2,072,843.79-435,291.16

Finding the Fourth Proportional to 1,381,846.36, 2,072,843.79 and 435,291.16

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Solution

The fourth proportional to 1,381,846.36, 2,072,843.79 and 435,291.16 is: 652,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,846.36 : 2,072,843.79 = 435,291.16 : x
  2. Step 2: Convert to fraction form
    1,381,846.36/2,072,843.79 = 435,291.16/x
  3. Step 3: Cross multiply
    1,381,846.36x = 2,072,843.79 × 435,291.16
  4. Step 4: Simplify right side
    1,381,846.36x = 902,290,577,847.90
  5. Step 5: Solve for x
    x = 902,290,577,847.90/1,381,846.36
  6. Step 6: Final answer
    x = 652,960.13

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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.