Home / 1,724,398-2,379,669.95-999,665.89

Finding the Fourth Proportional to 1,724,398, 2,379,669.95 and 999,665.89

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Solution

The fourth proportional to 1,724,398, 2,379,669.95 and 999,665.89 is: 1,379,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,398 : 2,379,669.95 = 999,665.89 : x
  2. Step 2: Convert to fraction form
    1,724,398/2,379,669.95 = 999,665.89/x
  3. Step 3: Cross multiply
    1,724,398x = 2,379,669.95 × 999,665.89
  4. Step 4: Simplify right side
    1,724,398x = 2,378,874,873,474.68
  5. Step 5: Solve for x
    x = 2,378,874,873,474.68/1,724,398
  6. Step 6: Final answer
    x = 1,379,539.34

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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.