Home / 1,648,072.56-2,471,721.60-928,727.76

Finding the Fourth Proportional to 1,648,072.56, 2,471,721.60 and 928,727.76

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Solution

The fourth proportional to 1,648,072.56, 2,471,721.60 and 928,727.76 is: 1,392,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,072.56 : 2,471,721.60 = 928,727.76 : x
  2. Step 2: Convert to fraction form
    1,648,072.56/2,471,721.60 = 928,727.76/x
  3. Step 3: Cross multiply
    1,648,072.56x = 2,471,721.60 × 928,727.76
  4. Step 4: Simplify right side
    1,648,072.56x = 2,295,556,464,911.62
  5. Step 5: Solve for x
    x = 2,295,556,464,911.62/1,648,072.56
  6. Step 6: Final answer
    x = 1,392,873.42

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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.