Home / 1,723,942.32-2,379,040.39-999,210.41

Finding the Fourth Proportional to 1,723,942.32, 2,379,040.39 and 999,210.41

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Solution

The fourth proportional to 1,723,942.32, 2,379,040.39 and 999,210.41 is: 1,378,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,942.32 : 2,379,040.39 = 999,210.41 : x
  2. Step 2: Convert to fraction form
    1,723,942.32/2,379,040.39 = 999,210.41/x
  3. Step 3: Cross multiply
    1,723,942.32x = 2,379,040.39 × 999,210.41
  4. Step 4: Simplify right side
    1,723,942.32x = 2,377,161,929,535.22
  5. Step 5: Solve for x
    x = 2,377,161,929,535.22/1,723,942.32
  6. Step 6: Final answer
    x = 1,378,910.36

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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.