Home / 1,275,947.57-1,760,806.69-702,987.74

Finding the Fourth Proportional to 1,275,947.57, 1,760,806.69 and 702,987.74

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Solution

The fourth proportional to 1,275,947.57, 1,760,806.69 and 702,987.74 is: 970,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,947.57 : 1,760,806.69 = 702,987.74 : x
  2. Step 2: Convert to fraction form
    1,275,947.57/1,760,806.69 = 702,987.74/x
  3. Step 3: Cross multiply
    1,275,947.57x = 1,760,806.69 × 702,987.74
  4. Step 4: Simplify right side
    1,275,947.57x = 1,237,825,521,526.04
  5. Step 5: Solve for x
    x = 1,237,825,521,526.04/1,275,947.57
  6. Step 6: Final answer
    x = 970,122.56

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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.