Home / 1,275,897.87-1,760,743.43-702,936.67

Finding the Fourth Proportional to 1,275,897.87, 1,760,743.43 and 702,936.67

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Solution

The fourth proportional to 1,275,897.87, 1,760,743.43 and 702,936.67 is: 970,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,897.87 : 1,760,743.43 = 702,936.67 : x
  2. Step 2: Convert to fraction form
    1,275,897.87/1,760,743.43 = 702,936.67/x
  3. Step 3: Cross multiply
    1,275,897.87x = 1,760,743.43 × 702,936.67
  4. Step 4: Simplify right side
    1,275,897.87x = 1,237,691,123,408.58
  5. Step 5: Solve for x
    x = 1,237,691,123,408.58/1,275,897.87
  6. Step 6: Final answer
    x = 970,055.01

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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.