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Finding the Fourth Proportional to 1,340,672.52, 1,850,724.47 and 796,984.32

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Solution

The fourth proportional to 1,340,672.52, 1,850,724.47 and 796,984.32 is: 1,100,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,672.52 : 1,850,724.47 = 796,984.32 : x
  2. Step 2: Convert to fraction form
    1,340,672.52/1,850,724.47 = 796,984.32/x
  3. Step 3: Cross multiply
    1,340,672.52x = 1,850,724.47 × 796,984.32
  4. Step 4: Simplify right side
    1,340,672.52x = 1,474,998,385,222.77
  5. Step 5: Solve for x
    x = 1,474,998,385,222.77/1,340,672.52
  6. Step 6: Final answer
    x = 1,100,192.90

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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.