Home / 1,723,942.34-2,379,040.41-999,210.43

Finding the Fourth Proportional to 1,723,942.34, 2,379,040.41 and 999,210.43

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Solution

The fourth proportional to 1,723,942.34, 2,379,040.41 and 999,210.43 is: 1,378,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,942.34 : 2,379,040.41 = 999,210.43 : x
  2. Step 2: Convert to fraction form
    1,723,942.34/2,379,040.41 = 999,210.43/x
  3. Step 3: Cross multiply
    1,723,942.34x = 2,379,040.41 × 999,210.43
  4. Step 4: Simplify right side
    1,723,942.34x = 2,377,161,991,063.48
  5. Step 5: Solve for x
    x = 2,377,161,991,063.48/1,723,942.34
  6. Step 6: Final answer
    x = 1,378,910.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.