Home / 1,761,774.45-2,431,450.43-987,614.39

Finding the Fourth Proportional to 1,761,774.45, 2,431,450.43 and 987,614.39

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Solution

The fourth proportional to 1,761,774.45, 2,431,450.43 and 987,614.39 is: 1,363,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,774.45 : 2,431,450.43 = 987,614.39 : x
  2. Step 2: Convert to fraction form
    1,761,774.45/2,431,450.43 = 987,614.39/x
  3. Step 3: Cross multiply
    1,761,774.45x = 2,431,450.43 × 987,614.39
  4. Step 4: Simplify right side
    1,761,774.45x = 2,401,335,416,144.36
  5. Step 5: Solve for x
    x = 2,401,335,416,144.36/1,761,774.45
  6. Step 6: Final answer
    x = 1,363,020.91

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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.