Home / 1,029,662.14-1,420,091.21-724,747.90

Finding the Fourth Proportional to 1,029,662.14, 1,420,091.21 and 724,747.90

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Solution

The fourth proportional to 1,029,662.14, 1,420,091.21 and 724,747.90 is: 999,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,662.14 : 1,420,091.21 = 724,747.90 : x
  2. Step 2: Convert to fraction form
    1,029,662.14/1,420,091.21 = 724,747.90/x
  3. Step 3: Cross multiply
    1,029,662.14x = 1,420,091.21 × 724,747.90
  4. Step 4: Simplify right side
    1,029,662.14x = 1,029,208,122,255.96
  5. Step 5: Solve for x
    x = 1,029,208,122,255.96/1,029,662.14
  6. Step 6: Final answer
    x = 999,559.06

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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.