Home / 1,238,270.48-1,857,590.25-439,485.12

Finding the Fourth Proportional to 1,238,270.48, 1,857,590.25 and 439,485.12

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Solution

The fourth proportional to 1,238,270.48, 1,857,590.25 and 439,485.12 is: 659,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,270.48 : 1,857,590.25 = 439,485.12 : x
  2. Step 2: Convert to fraction form
    1,238,270.48/1,857,590.25 = 439,485.12/x
  3. Step 3: Cross multiply
    1,238,270.48x = 1,857,590.25 × 439,485.12
  4. Step 4: Simplify right side
    1,238,270.48x = 816,383,273,932.08
  5. Step 5: Solve for x
    x = 816,383,273,932.08/1,238,270.48
  6. Step 6: Final answer
    x = 659,293.18

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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.