Home / 1,724,925.56-2,380,190.82-989,842.06

Finding the Fourth Proportional to 1,724,925.56, 2,380,190.82 and 989,842.06

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Solution

The fourth proportional to 1,724,925.56, 2,380,190.82 and 989,842.06 is: 1,365,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,925.56 : 2,380,190.82 = 989,842.06 : x
  2. Step 2: Convert to fraction form
    1,724,925.56/2,380,190.82 = 989,842.06/x
  3. Step 3: Cross multiply
    1,724,925.56x = 2,380,190.82 × 989,842.06
  4. Step 4: Simplify right side
    1,724,925.56x = 2,356,012,972,560.94
  5. Step 5: Solve for x
    x = 2,356,012,972,560.94/1,724,925.56
  6. Step 6: Final answer
    x = 1,365,863.56

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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.