Home / 1,405,739.43-2,108,590.52-340,791.12

Finding the Fourth Proportional to 1,405,739.43, 2,108,590.52 and 340,791.12

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Solution

The fourth proportional to 1,405,739.43, 2,108,590.52 and 340,791.12 is: 511,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,739.43 : 2,108,590.52 = 340,791.12 : x
  2. Step 2: Convert to fraction form
    1,405,739.43/2,108,590.52 = 340,791.12/x
  3. Step 3: Cross multiply
    1,405,739.43x = 2,108,590.52 × 340,791.12
  4. Step 4: Simplify right side
    1,405,739.43x = 718,588,923,228.23
  5. Step 5: Solve for x
    x = 718,588,923,228.23/1,405,739.43
  6. Step 6: Final answer
    x = 511,182.16

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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.