Home / 1,330,643.70-1,993,013.10-1,029,493.80

Finding the Fourth Proportional to 1,330,643.70, 1,993,013.10 and 1,029,493.80

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Solution

The fourth proportional to 1,330,643.70, 1,993,013.10 and 1,029,493.80 is: 1,541,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,643.70 : 1,993,013.10 = 1,029,493.80 : x
  2. Step 2: Convert to fraction form
    1,330,643.70/1,993,013.10 = 1,029,493.80/x
  3. Step 3: Cross multiply
    1,330,643.70x = 1,993,013.10 × 1,029,493.80
  4. Step 4: Simplify right side
    1,330,643.70x = 2,051,794,629,768.78
  5. Step 5: Solve for x
    x = 2,051,794,629,768.78/1,330,643.70
  6. Step 6: Final answer
    x = 1,541,956.45

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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.