Home / 1,369,990.94-1,890,591.18-758,185.89

Finding the Fourth Proportional to 1,369,990.94, 1,890,591.18 and 758,185.89

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Solution

The fourth proportional to 1,369,990.94, 1,890,591.18 and 758,185.89 is: 1,046,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,990.94 : 1,890,591.18 = 758,185.89 : x
  2. Step 2: Convert to fraction form
    1,369,990.94/1,890,591.18 = 758,185.89/x
  3. Step 3: Cross multiply
    1,369,990.94x = 1,890,591.18 × 758,185.89
  4. Step 4: Simplify right side
    1,369,990.94x = 1,433,419,546,501.54
  5. Step 5: Solve for x
    x = 1,433,419,546,501.54/1,369,990.94
  6. Step 6: Final answer
    x = 1,046,298.56

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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.