Home / 1,423,103.77-2,135,357.01-664,997.53

Finding the Fourth Proportional to 1,423,103.77, 2,135,357.01 and 664,997.53

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Solution

The fourth proportional to 1,423,103.77, 2,135,357.01 and 664,997.53 is: 997,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,103.77 : 2,135,357.01 = 664,997.53 : x
  2. Step 2: Convert to fraction form
    1,423,103.77/2,135,357.01 = 664,997.53/x
  3. Step 3: Cross multiply
    1,423,103.77x = 2,135,357.01 × 664,997.53
  4. Step 4: Simplify right side
    1,423,103.77x = 1,420,007,137,318.19
  5. Step 5: Solve for x
    x = 1,420,007,137,318.19/1,423,103.77
  6. Step 6: Final answer
    x = 997,824.03

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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.