Home / 1,275,953.90-1,760,815.38-702,994.05

Finding the Fourth Proportional to 1,275,953.90, 1,760,815.38 and 702,994.05

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Solution

The fourth proportional to 1,275,953.90, 1,760,815.38 and 702,994.05 is: 970,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,953.90 : 1,760,815.38 = 702,994.05 : x
  2. Step 2: Convert to fraction form
    1,275,953.90/1,760,815.38 = 702,994.05/x
  3. Step 3: Cross multiply
    1,275,953.90x = 1,760,815.38 × 702,994.05
  4. Step 4: Simplify right side
    1,275,953.90x = 1,237,842,735,288.49
  5. Step 5: Solve for x
    x = 1,237,842,735,288.49/1,275,953.90
  6. Step 6: Final answer
    x = 970,131.24

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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.