Home / 1,538,750.58-2,123,576.36-1,021,694.91

Finding the Fourth Proportional to 1,538,750.58, 2,123,576.36 and 1,021,694.91

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Solution

The fourth proportional to 1,538,750.58, 2,123,576.36 and 1,021,694.91 is: 1,410,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,750.58 : 2,123,576.36 = 1,021,694.91 : x
  2. Step 2: Convert to fraction form
    1,538,750.58/2,123,576.36 = 1,021,694.91/x
  3. Step 3: Cross multiply
    1,538,750.58x = 2,123,576.36 × 1,021,694.91
  4. Step 4: Simplify right side
    1,538,750.58x = 2,169,647,158,008.33
  5. Step 5: Solve for x
    x = 2,169,647,158,008.33/1,538,750.58
  6. Step 6: Final answer
    x = 1,410,005.75

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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.