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Finding the Fourth Proportional to 1,151,605.42, 1,723,865.18 and 751,384.42

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Solution

The fourth proportional to 1,151,605.42, 1,723,865.18 and 751,384.42 is: 1,124,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,605.42 : 1,723,865.18 = 751,384.42 : x
  2. Step 2: Convert to fraction form
    1,151,605.42/1,723,865.18 = 751,384.42/x
  3. Step 3: Cross multiply
    1,151,605.42x = 1,723,865.18 × 751,384.42
  4. Step 4: Simplify right side
    1,151,605.42x = 1,295,285,438,432.50
  5. Step 5: Solve for x
    x = 1,295,285,438,432.50/1,151,605.42
  6. Step 6: Final answer
    x = 1,124,764.97

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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.