Home / 1,175,620.38-1,767,416.82-938,760.09

Finding the Fourth Proportional to 1,175,620.38, 1,767,416.82 and 938,760.09

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Solution

The fourth proportional to 1,175,620.38, 1,767,416.82 and 938,760.09 is: 1,411,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,620.38 : 1,767,416.82 = 938,760.09 : x
  2. Step 2: Convert to fraction form
    1,175,620.38/1,767,416.82 = 938,760.09/x
  3. Step 3: Cross multiply
    1,175,620.38x = 1,767,416.82 × 938,760.09
  4. Step 4: Simplify right side
    1,175,620.38x = 1,659,180,373,010.71
  5. Step 5: Solve for x
    x = 1,659,180,373,010.71/1,175,620.38
  6. Step 6: Final answer
    x = 1,411,323.25

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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.