Home / 1,275,404.79-1,760,054.04-702,443.64

Finding the Fourth Proportional to 1,275,404.79, 1,760,054.04 and 702,443.64

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Solution

The fourth proportional to 1,275,404.79, 1,760,054.04 and 702,443.64 is: 969,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,404.79 : 1,760,054.04 = 702,443.64 : x
  2. Step 2: Convert to fraction form
    1,275,404.79/1,760,054.04 = 702,443.64/x
  3. Step 3: Cross multiply
    1,275,404.79x = 1,760,054.04 × 702,443.64
  4. Step 4: Simplify right side
    1,275,404.79x = 1,236,338,766,454.31
  5. Step 5: Solve for x
    x = 1,236,338,766,454.31/1,275,404.79
  6. Step 6: Final answer
    x = 969,369.71

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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.