Home / 1,204,110.81-1,661,691.65-660,296.25

Finding the Fourth Proportional to 1,204,110.81, 1,661,691.65 and 660,296.25

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Solution

The fourth proportional to 1,204,110.81, 1,661,691.65 and 660,296.25 is: 911,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,110.81 : 1,661,691.65 = 660,296.25 : x
  2. Step 2: Convert to fraction form
    1,204,110.81/1,661,691.65 = 660,296.25/x
  3. Step 3: Cross multiply
    1,204,110.81x = 1,661,691.65 × 660,296.25
  4. Step 4: Simplify right side
    1,204,110.81x = 1,097,208,761,849.83
  5. Step 5: Solve for x
    x = 1,097,208,761,849.83/1,204,110.81
  6. Step 6: Final answer
    x = 911,219.09

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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.