Home / 1,405,717.24-2,108,556.96-340,768.48

Finding the Fourth Proportional to 1,405,717.24, 2,108,556.96 and 340,768.48

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Solution

The fourth proportional to 1,405,717.24, 2,108,556.96 and 340,768.48 is: 511,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,717.24 : 2,108,556.96 = 340,768.48 : x
  2. Step 2: Convert to fraction form
    1,405,717.24/2,108,556.96 = 340,768.48/x
  3. Step 3: Cross multiply
    1,405,717.24x = 2,108,556.96 × 340,768.48
  4. Step 4: Simplify right side
    1,405,717.24x = 718,529,750,252.62
  5. Step 5: Solve for x
    x = 718,529,750,252.62/1,405,717.24
  6. Step 6: Final answer
    x = 511,148.14

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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.