Home / 1,008,563.70-1,512,845.55-903,501.30

Finding the Fourth Proportional to 1,008,563.70, 1,512,845.55 and 903,501.30

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Solution

The fourth proportional to 1,008,563.70, 1,512,845.55 and 903,501.30 is: 1,355,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,563.70 : 1,512,845.55 = 903,501.30 : x
  2. Step 2: Convert to fraction form
    1,008,563.70/1,512,845.55 = 903,501.30/x
  3. Step 3: Cross multiply
    1,008,563.70x = 1,512,845.55 × 903,501.30
  4. Step 4: Simplify right side
    1,008,563.70x = 1,366,857,921,124.22
  5. Step 5: Solve for x
    x = 1,366,857,921,124.22/1,008,563.70
  6. Step 6: Final answer
    x = 1,355,251.95

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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.