Home / 1,210,511.44-1,670,441.82-694,238.65

Finding the Fourth Proportional to 1,210,511.44, 1,670,441.82 and 694,238.65

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Solution

The fourth proportional to 1,210,511.44, 1,670,441.82 and 694,238.65 is: 958,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,511.44 : 1,670,441.82 = 694,238.65 : x
  2. Step 2: Convert to fraction form
    1,210,511.44/1,670,441.82 = 694,238.65/x
  3. Step 3: Cross multiply
    1,210,511.44x = 1,670,441.82 × 694,238.65
  4. Step 4: Simplify right side
    1,210,511.44x = 1,159,685,274,020.34
  5. Step 5: Solve for x
    x = 1,159,685,274,020.34/1,210,511.44
  6. Step 6: Final answer
    x = 958,012.65

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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.