Home / 1,855,172.16-2,560,408.20-1,039,431.24

Finding the Fourth Proportional to 1,855,172.16, 2,560,408.20 and 1,039,431.24

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Solution

The fourth proportional to 1,855,172.16, 2,560,408.20 and 1,039,431.24 is: 1,434,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,172.16 : 2,560,408.20 = 1,039,431.24 : x
  2. Step 2: Convert to fraction form
    1,855,172.16/2,560,408.20 = 1,039,431.24/x
  3. Step 3: Cross multiply
    1,855,172.16x = 2,560,408.20 × 1,039,431.24
  4. Step 4: Simplify right side
    1,855,172.16x = 2,661,368,270,232.17
  5. Step 5: Solve for x
    x = 2,661,368,270,232.17/1,855,172.16
  6. Step 6: Final answer
    x = 1,434,566.74

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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.