Home / 1,342,100.88-1,852,150.32-769,251.60

Finding the Fourth Proportional to 1,342,100.88, 1,852,150.32 and 769,251.60

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Solution

The fourth proportional to 1,342,100.88, 1,852,150.32 and 769,251.60 is: 1,061,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,100.88 : 1,852,150.32 = 769,251.60 : x
  2. Step 2: Convert to fraction form
    1,342,100.88/1,852,150.32 = 769,251.60/x
  3. Step 3: Cross multiply
    1,342,100.88x = 1,852,150.32 × 769,251.60
  4. Step 4: Simplify right side
    1,342,100.88x = 1,424,769,597,100.51
  5. Step 5: Solve for x
    x = 1,424,769,597,100.51/1,342,100.88
  6. Step 6: Final answer
    x = 1,061,596.50

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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.