Home / 1,167,812.10-1,751,718.15-687,546.90

Finding the Fourth Proportional to 1,167,812.10, 1,751,718.15 and 687,546.90

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Solution

The fourth proportional to 1,167,812.10, 1,751,718.15 and 687,546.90 is: 1,031,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,812.10 : 1,751,718.15 = 687,546.90 : x
  2. Step 2: Convert to fraction form
    1,167,812.10/1,751,718.15 = 687,546.90/x
  3. Step 3: Cross multiply
    1,167,812.10x = 1,751,718.15 × 687,546.90
  4. Step 4: Simplify right side
    1,167,812.10x = 1,204,388,383,706.23
  5. Step 5: Solve for x
    x = 1,204,388,383,706.23/1,167,812.10
  6. Step 6: Final answer
    x = 1,031,320.35

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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.