Home / 1,204,009.60-1,805,431.20-670,964.80

Finding the Fourth Proportional to 1,204,009.60, 1,805,431.20 and 670,964.80

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Solution

The fourth proportional to 1,204,009.60, 1,805,431.20 and 670,964.80 is: 1,006,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,009.60 : 1,805,431.20 = 670,964.80 : x
  2. Step 2: Convert to fraction form
    1,204,009.60/1,805,431.20 = 670,964.80/x
  3. Step 3: Cross multiply
    1,204,009.60x = 1,805,431.20 × 670,964.80
  4. Step 4: Simplify right side
    1,204,009.60x = 1,211,380,784,021.76
  5. Step 5: Solve for x
    x = 1,211,380,784,021.76/1,204,009.60
  6. Step 6: Final answer
    x = 1,006,122.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.