Home / 1,290,171.44-1,935,283.80-469,481.91

Finding the Fourth Proportional to 1,290,171.44, 1,935,283.80 and 469,481.91

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Solution

The fourth proportional to 1,290,171.44, 1,935,283.80 and 469,481.91 is: 704,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,171.44 : 1,935,283.80 = 469,481.91 : x
  2. Step 2: Convert to fraction form
    1,290,171.44/1,935,283.80 = 469,481.91/x
  3. Step 3: Cross multiply
    1,290,171.44x = 1,935,283.80 × 469,481.91
  4. Step 4: Simplify right side
    1,290,171.44x = 908,580,734,816.06
  5. Step 5: Solve for x
    x = 908,580,734,816.06/1,290,171.44
  6. Step 6: Final answer
    x = 704,232.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.