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Finding the Fourth Proportional to 1,204,592.04, 1,664,289.56 and 1,025,199.72

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Solution

The fourth proportional to 1,204,592.04, 1,664,289.56 and 1,025,199.72 is: 1,416,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,592.04 : 1,664,289.56 = 1,025,199.72 : x
  2. Step 2: Convert to fraction form
    1,204,592.04/1,664,289.56 = 1,025,199.72/x
  3. Step 3: Cross multiply
    1,204,592.04x = 1,664,289.56 × 1,025,199.72
  4. Step 4: Simplify right side
    1,204,592.04x = 1,706,229,190,910.92
  5. Step 5: Solve for x
    x = 1,706,229,190,910.92/1,204,592.04
  6. Step 6: Final answer
    x = 1,416,437.38

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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.