Home / 1,244,837.09-1,866,147.86-486,506.12

Finding the Fourth Proportional to 1,244,837.09, 1,866,147.86 and 486,506.12

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Solution

The fourth proportional to 1,244,837.09, 1,866,147.86 and 486,506.12 is: 729,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,837.09 : 1,866,147.86 = 486,506.12 : x
  2. Step 2: Convert to fraction form
    1,244,837.09/1,866,147.86 = 486,506.12/x
  3. Step 3: Cross multiply
    1,244,837.09x = 1,866,147.86 × 486,506.12
  4. Step 4: Simplify right side
    1,244,837.09x = 907,892,346,600.43
  5. Step 5: Solve for x
    x = 907,892,346,600.43/1,244,837.09
  6. Step 6: Final answer
    x = 729,326.23

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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.