Home / 2,286,861.12-3,430,787.04-689,290.56

Finding the Fourth Proportional to 2,286,861.12, 3,430,787.04 and 689,290.56

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Solution

The fourth proportional to 2,286,861.12, 3,430,787.04 and 689,290.56 is: 1,034,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,861.12 : 3,430,787.04 = 689,290.56 : x
  2. Step 2: Convert to fraction form
    2,286,861.12/3,430,787.04 = 689,290.56/x
  3. Step 3: Cross multiply
    2,286,861.12x = 3,430,787.04 × 689,290.56
  4. Step 4: Simplify right side
    2,286,861.12x = 2,364,809,120,042.34
  5. Step 5: Solve for x
    x = 2,364,809,120,042.34/2,286,861.12
  6. Step 6: Final answer
    x = 1,034,085.15

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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.