Home / 1,208,004.16-1,667,046.80-664,149.20

Finding the Fourth Proportional to 1,208,004.16, 1,667,046.80 and 664,149.20

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Solution

The fourth proportional to 1,208,004.16, 1,667,046.80 and 664,149.20 is: 916,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,004.16 : 1,667,046.80 = 664,149.20 : x
  2. Step 2: Convert to fraction form
    1,208,004.16/1,667,046.80 = 664,149.20/x
  3. Step 3: Cross multiply
    1,208,004.16x = 1,667,046.80 × 664,149.20
  4. Step 4: Simplify right side
    1,208,004.16x = 1,107,167,798,582.56
  5. Step 5: Solve for x
    x = 1,107,167,798,582.56/1,208,004.16
  6. Step 6: Final answer
    x = 916,526.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.