Home / 1,109,605.20-1,662,936.38-569,839.65

Finding the Fourth Proportional to 1,109,605.20, 1,662,936.38 and 569,839.65

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Solution

The fourth proportional to 1,109,605.20, 1,662,936.38 and 569,839.65 is: 854,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,605.20 : 1,662,936.38 = 569,839.65 : x
  2. Step 2: Convert to fraction form
    1,109,605.20/1,662,936.38 = 569,839.65/x
  3. Step 3: Cross multiply
    1,109,605.20x = 1,662,936.38 × 569,839.65
  4. Step 4: Simplify right side
    1,109,605.20x = 947,607,081,902.27
  5. Step 5: Solve for x
    x = 947,607,081,902.27/1,109,605.20
  6. Step 6: Final answer
    x = 854,003.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.