Home / 1,660,588.69-2,481,784.73-1,212,253.69

Finding the Fourth Proportional to 1,660,588.69, 2,481,784.73 and 1,212,253.69

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Solution

The fourth proportional to 1,660,588.69, 2,481,784.73 and 1,212,253.69 is: 1,811,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,588.69 : 2,481,784.73 = 1,212,253.69 : x
  2. Step 2: Convert to fraction form
    1,660,588.69/2,481,784.73 = 1,212,253.69/x
  3. Step 3: Cross multiply
    1,660,588.69x = 2,481,784.73 × 1,212,253.69
  4. Step 4: Simplify right side
    1,660,588.69x = 3,008,552,696,728.15
  5. Step 5: Solve for x
    x = 3,008,552,696,728.15/1,660,588.69
  6. Step 6: Final answer
    x = 1,811,738.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.