Home / 1,242,997.80-1,864,590.66-344,429.16

Finding the Fourth Proportional to 1,242,997.80, 1,864,590.66 and 344,429.16

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Solution

The fourth proportional to 1,242,997.80, 1,864,590.66 and 344,429.16 is: 516,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,997.80 : 1,864,590.66 = 344,429.16 : x
  2. Step 2: Convert to fraction form
    1,242,997.80/1,864,590.66 = 344,429.16/x
  3. Step 3: Cross multiply
    1,242,997.80x = 1,864,590.66 × 344,429.16
  4. Step 4: Simplify right side
    1,242,997.80x = 642,219,394,767.65
  5. Step 5: Solve for x
    x = 642,219,394,767.65/1,242,997.80
  6. Step 6: Final answer
    x = 516,669.78

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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.