Home / 1,275,953.20-1,760,814.45-702,993.38

Finding the Fourth Proportional to 1,275,953.20, 1,760,814.45 and 702,993.38

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Solution

The fourth proportional to 1,275,953.20, 1,760,814.45 and 702,993.38 is: 970,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,953.20 : 1,760,814.45 = 702,993.38 : x
  2. Step 2: Convert to fraction form
    1,275,953.20/1,760,814.45 = 702,993.38/x
  3. Step 3: Cross multiply
    1,275,953.20x = 1,760,814.45 × 702,993.38
  4. Step 4: Simplify right side
    1,275,953.20x = 1,237,840,892,954.27
  5. Step 5: Solve for x
    x = 1,237,840,892,954.27/1,275,953.20
  6. Step 6: Final answer
    x = 970,130.33

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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.