Home / 1,275,081.75-1,759,612.82-702,120.56

Finding the Fourth Proportional to 1,275,081.75, 1,759,612.82 and 702,120.56

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Solution

The fourth proportional to 1,275,081.75, 1,759,612.82 and 702,120.56 is: 968,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,081.75 : 1,759,612.82 = 702,120.56 : x
  2. Step 2: Convert to fraction form
    1,275,081.75/1,759,612.82 = 702,120.56/x
  3. Step 3: Cross multiply
    1,275,081.75x = 1,759,612.82 × 702,120.56
  4. Step 4: Simplify right side
    1,275,081.75x = 1,235,460,326,252.91
  5. Step 5: Solve for x
    x = 1,235,460,326,252.91/1,275,081.75
  6. Step 6: Final answer
    x = 968,926.37

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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.