Home / 1,099,584.64-1,517,424.80-669,864.76

Finding the Fourth Proportional to 1,099,584.64, 1,517,424.80 and 669,864.76

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Solution

The fourth proportional to 1,099,584.64, 1,517,424.80 and 669,864.76 is: 924,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,584.64 : 1,517,424.80 = 669,864.76 : x
  2. Step 2: Convert to fraction form
    1,099,584.64/1,517,424.80 = 669,864.76/x
  3. Step 3: Cross multiply
    1,099,584.64x = 1,517,424.80 × 669,864.76
  4. Step 4: Simplify right side
    1,099,584.64x = 1,016,469,399,470.05
  5. Step 5: Solve for x
    x = 1,016,469,399,470.05/1,099,584.64
  6. Step 6: Final answer
    x = 924,412.15

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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.