Home / 1,723,943.89-2,379,042.54-999,211.98

Finding the Fourth Proportional to 1,723,943.89, 2,379,042.54 and 999,211.98

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Solution

The fourth proportional to 1,723,943.89, 2,379,042.54 and 999,211.98 is: 1,378,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,943.89 : 2,379,042.54 = 999,211.98 : x
  2. Step 2: Convert to fraction form
    1,723,943.89/2,379,042.54 = 999,211.98/x
  3. Step 3: Cross multiply
    1,723,943.89x = 2,379,042.54 × 999,211.98
  4. Step 4: Simplify right side
    1,723,943.89x = 2,377,167,806,897.63
  5. Step 5: Solve for x
    x = 2,377,167,806,897.63/1,723,943.89
  6. Step 6: Final answer
    x = 1,378,912.52

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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.