Home / 1,489,557.75-2,234,004.11-690,735.50

Finding the Fourth Proportional to 1,489,557.75, 2,234,004.11 and 690,735.50

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Solution

The fourth proportional to 1,489,557.75, 2,234,004.11 and 690,735.50 is: 1,035,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,557.75 : 2,234,004.11 = 690,735.50 : x
  2. Step 2: Convert to fraction form
    1,489,557.75/2,234,004.11 = 690,735.50/x
  3. Step 3: Cross multiply
    1,489,557.75x = 2,234,004.11 × 690,735.50
  4. Step 4: Simplify right side
    1,489,557.75x = 1,543,105,931,299.21
  5. Step 5: Solve for x
    x = 1,543,105,931,299.21/1,489,557.75
  6. Step 6: Final answer
    x = 1,035,949.05

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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.