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Finding the Fourth Proportional to 1,764,664.80, 2,645,706.88 and 565,904.80

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Solution

The fourth proportional to 1,764,664.80, 2,645,706.88 and 565,904.80 is: 848,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,664.80 : 2,645,706.88 = 565,904.80 : x
  2. Step 2: Convert to fraction form
    1,764,664.80/2,645,706.88 = 565,904.80/x
  3. Step 3: Cross multiply
    1,764,664.80x = 2,645,706.88 × 565,904.80
  4. Step 4: Simplify right side
    1,764,664.80x = 1,497,218,222,785.02
  5. Step 5: Solve for x
    x = 1,497,218,222,785.02/1,764,664.80
  6. Step 6: Final answer
    x = 848,443.41

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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.