Home / 1,009,691.12-1,393,371.80-550,805.56

Finding the Fourth Proportional to 1,009,691.12, 1,393,371.80 and 550,805.56

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Solution

The fourth proportional to 1,009,691.12, 1,393,371.80 and 550,805.56 is: 760,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,691.12 : 1,393,371.80 = 550,805.56 : x
  2. Step 2: Convert to fraction form
    1,009,691.12/1,393,371.80 = 550,805.56/x
  3. Step 3: Cross multiply
    1,009,691.12x = 1,393,371.80 × 550,805.56
  4. Step 4: Simplify right side
    1,009,691.12x = 767,476,932,480.79
  5. Step 5: Solve for x
    x = 767,476,932,480.79/1,009,691.12
  6. Step 6: Final answer
    x = 760,110.61

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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.