Home / 1,049,722.76-1,449,314.63-807,578.12

Finding the Fourth Proportional to 1,049,722.76, 1,449,314.63 and 807,578.12

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Solution

The fourth proportional to 1,049,722.76, 1,449,314.63 and 807,578.12 is: 1,114,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,722.76 : 1,449,314.63 = 807,578.12 : x
  2. Step 2: Convert to fraction form
    1,049,722.76/1,449,314.63 = 807,578.12/x
  3. Step 3: Cross multiply
    1,049,722.76x = 1,449,314.63 × 807,578.12
  4. Step 4: Simplify right side
    1,049,722.76x = 1,170,434,772,899.43
  5. Step 5: Solve for x
    x = 1,170,434,772,899.43/1,049,722.76
  6. Step 6: Final answer
    x = 1,114,994.19

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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.