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Finding the Fourth Proportional to 1,787,733.02, 2,680,756.32 and 649,694.90

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Solution

The fourth proportional to 1,787,733.02, 2,680,756.32 and 649,694.90 is: 974,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,733.02 : 2,680,756.32 = 649,694.90 : x
  2. Step 2: Convert to fraction form
    1,787,733.02/2,680,756.32 = 649,694.90/x
  3. Step 3: Cross multiply
    1,787,733.02x = 2,680,756.32 × 649,694.90
  4. Step 4: Simplify right side
    1,787,733.02x = 1,741,673,709,246.77
  5. Step 5: Solve for x
    x = 1,741,673,709,246.77/1,787,733.02
  6. Step 6: Final answer
    x = 974,235.91

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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.