Home / 1,753,233.80-2,629,850.70-687,727.40

Finding the Fourth Proportional to 1,753,233.80, 2,629,850.70 and 687,727.40

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Solution

The fourth proportional to 1,753,233.80, 2,629,850.70 and 687,727.40 is: 1,031,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,233.80 : 2,629,850.70 = 687,727.40 : x
  2. Step 2: Convert to fraction form
    1,753,233.80/2,629,850.70 = 687,727.40/x
  3. Step 3: Cross multiply
    1,753,233.80x = 2,629,850.70 × 687,727.40
  4. Step 4: Simplify right side
    1,753,233.80x = 1,808,620,384,299.18
  5. Step 5: Solve for x
    x = 1,808,620,384,299.18/1,753,233.80
  6. Step 6: Final answer
    x = 1,031,591.10

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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.