Home / 1,120,962.69-1,546,524.18-862,918.56

Finding the Fourth Proportional to 1,120,962.69, 1,546,524.18 and 862,918.56

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Solution

The fourth proportional to 1,120,962.69, 1,546,524.18 and 862,918.56 is: 1,190,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,962.69 : 1,546,524.18 = 862,918.56 : x
  2. Step 2: Convert to fraction form
    1,120,962.69/1,546,524.18 = 862,918.56/x
  3. Step 3: Cross multiply
    1,120,962.69x = 1,546,524.18 × 862,918.56
  4. Step 4: Simplify right side
    1,120,962.69x = 1,334,524,418,410.78
  5. Step 5: Solve for x
    x = 1,334,524,418,410.78/1,120,962.69
  6. Step 6: Final answer
    x = 1,190,516.36

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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.