Home / 1,668,077.44-2,301,890.88-988,610.56

Finding the Fourth Proportional to 1,668,077.44, 2,301,890.88 and 988,610.56

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Solution

The fourth proportional to 1,668,077.44, 2,301,890.88 and 988,610.56 is: 1,364,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,077.44 : 2,301,890.88 = 988,610.56 : x
  2. Step 2: Convert to fraction form
    1,668,077.44/2,301,890.88 = 988,610.56/x
  3. Step 3: Cross multiply
    1,668,077.44x = 2,301,890.88 × 988,610.56
  4. Step 4: Simplify right side
    1,668,077.44x = 2,275,673,631,935.69
  5. Step 5: Solve for x
    x = 2,275,673,631,935.69/1,668,077.44
  6. Step 6: Final answer
    x = 1,364,249.39

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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.