Home / 1,208,451.50-1,667,629.77-664,587.28

Finding the Fourth Proportional to 1,208,451.50, 1,667,629.77 and 664,587.28

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Solution

The fourth proportional to 1,208,451.50, 1,667,629.77 and 664,587.28 is: 917,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,451.50 : 1,667,629.77 = 664,587.28 : x
  2. Step 2: Convert to fraction form
    1,208,451.50/1,667,629.77 = 664,587.28/x
  3. Step 3: Cross multiply
    1,208,451.50x = 1,667,629.77 × 664,587.28
  4. Step 4: Simplify right side
    1,208,451.50x = 1,108,285,521,230.24
  5. Step 5: Solve for x
    x = 1,108,285,521,230.24/1,208,451.50
  6. Step 6: Final answer
    x = 917,112.12

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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.