Home / 1,462,846.88-2,019,974.64-919,891.28

Finding the Fourth Proportional to 1,462,846.88, 2,019,974.64 and 919,891.28

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Solution

The fourth proportional to 1,462,846.88, 2,019,974.64 and 919,891.28 is: 1,270,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,846.88 : 2,019,974.64 = 919,891.28 : x
  2. Step 2: Convert to fraction form
    1,462,846.88/2,019,974.64 = 919,891.28/x
  3. Step 3: Cross multiply
    1,462,846.88x = 2,019,974.64 × 919,891.28
  4. Step 4: Simplify right side
    1,462,846.88x = 1,858,157,057,157.14
  5. Step 5: Solve for x
    x = 1,858,157,057,157.14/1,462,846.88
  6. Step 6: Final answer
    x = 1,270,233.46

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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.