Home / 1,067,089.60-1,472,780.64-685,593.28

Finding the Fourth Proportional to 1,067,089.60, 1,472,780.64 and 685,593.28

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Solution

The fourth proportional to 1,067,089.60, 1,472,780.64 and 685,593.28 is: 946,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,089.60 : 1,472,780.64 = 685,593.28 : x
  2. Step 2: Convert to fraction form
    1,067,089.60/1,472,780.64 = 685,593.28/x
  3. Step 3: Cross multiply
    1,067,089.60x = 1,472,780.64 × 685,593.28
  4. Step 4: Simplify right side
    1,067,089.60x = 1,009,728,509,698.10
  5. Step 5: Solve for x
    x = 1,009,728,509,698.10/1,067,089.60
  6. Step 6: Final answer
    x = 946,245.29

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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.