Home / 1,351,724.46-1,865,380.31-739,880.30

Finding the Fourth Proportional to 1,351,724.46, 1,865,380.31 and 739,880.30

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Solution

The fourth proportional to 1,351,724.46, 1,865,380.31 and 739,880.30 is: 1,021,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,724.46 : 1,865,380.31 = 739,880.30 : x
  2. Step 2: Convert to fraction form
    1,351,724.46/1,865,380.31 = 739,880.30/x
  3. Step 3: Cross multiply
    1,351,724.46x = 1,865,380.31 × 739,880.30
  4. Step 4: Simplify right side
    1,351,724.46x = 1,380,158,143,376.89
  5. Step 5: Solve for x
    x = 1,380,158,143,376.89/1,351,724.46
  6. Step 6: Final answer
    x = 1,021,035.12

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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.