Home / 1,642,147.26-2,265,377.07-1,029,993.66

Finding the Fourth Proportional to 1,642,147.26, 2,265,377.07 and 1,029,993.66

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Solution

The fourth proportional to 1,642,147.26, 2,265,377.07 and 1,029,993.66 is: 1,420,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,147.26 : 2,265,377.07 = 1,029,993.66 : x
  2. Step 2: Convert to fraction form
    1,642,147.26/2,265,377.07 = 1,029,993.66/x
  3. Step 3: Cross multiply
    1,642,147.26x = 2,265,377.07 × 1,029,993.66
  4. Step 4: Simplify right side
    1,642,147.26x = 2,333,324,014,492.57
  5. Step 5: Solve for x
    x = 2,333,324,014,492.57/1,642,147.26
  6. Step 6: Final answer
    x = 1,420,898.16

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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.