Home / 1,280,878.22-1,767,617.26-700,112.90

Finding the Fourth Proportional to 1,280,878.22, 1,767,617.26 and 700,112.90

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Solution

The fourth proportional to 1,280,878.22, 1,767,617.26 and 700,112.90 is: 966,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,878.22 : 1,767,617.26 = 700,112.90 : x
  2. Step 2: Convert to fraction form
    1,280,878.22/1,767,617.26 = 700,112.90/x
  3. Step 3: Cross multiply
    1,280,878.22x = 1,767,617.26 × 700,112.90
  4. Step 4: Simplify right side
    1,280,878.22x = 1,237,531,645,988.65
  5. Step 5: Solve for x
    x = 1,237,531,645,988.65/1,280,878.22
  6. Step 6: Final answer
    x = 966,158.71

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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.