Home / 1,275,953.76-1,760,815.22-702,993.94

Finding the Fourth Proportional to 1,275,953.76, 1,760,815.22 and 702,993.94

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Solution

The fourth proportional to 1,275,953.76, 1,760,815.22 and 702,993.94 is: 970,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,953.76 : 1,760,815.22 = 702,993.94 : x
  2. Step 2: Convert to fraction form
    1,275,953.76/1,760,815.22 = 702,993.94/x
  3. Step 3: Cross multiply
    1,275,953.76x = 1,760,815.22 × 702,993.94
  4. Step 4: Simplify right side
    1,275,953.76x = 1,237,842,421,202.76
  5. Step 5: Solve for x
    x = 1,237,842,421,202.76/1,275,953.76
  6. Step 6: Final answer
    x = 970,131.10

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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.