Home / 906,998.70-1,359,185.85-401,145.60

Finding the Fourth Proportional to 906,998.70, 1,359,185.85 and 401,145.60

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Solution

The fourth proportional to 906,998.70, 1,359,185.85 and 401,145.60 is: 601,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,998.70 : 1,359,185.85 = 401,145.60 : x
  2. Step 2: Convert to fraction form
    906,998.70/1,359,185.85 = 401,145.60/x
  3. Step 3: Cross multiply
    906,998.70x = 1,359,185.85 × 401,145.60
  4. Step 4: Simplify right side
    906,998.70x = 545,231,423,309.76
  5. Step 5: Solve for x
    x = 545,231,423,309.76/906,998.70
  6. Step 6: Final answer
    x = 601,138.04

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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.