Home / 1,428,918.14-2,151,930.98-1,301,372.30

Finding the Fourth Proportional to 1,428,918.14, 2,151,930.98 and 1,301,372.30

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Solution

The fourth proportional to 1,428,918.14, 2,151,930.98 and 1,301,372.30 is: 1,959,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,918.14 : 2,151,930.98 = 1,301,372.30 : x
  2. Step 2: Convert to fraction form
    1,428,918.14/2,151,930.98 = 1,301,372.30/x
  3. Step 3: Cross multiply
    1,428,918.14x = 2,151,930.98 × 1,301,372.30
  4. Step 4: Simplify right side
    1,428,918.14x = 2,800,463,368,883.85
  5. Step 5: Solve for x
    x = 2,800,463,368,883.85/1,428,918.14
  6. Step 6: Final answer
    x = 1,959,848.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.