Home / 1,127,453.88-1,691,180.88-975,198.49

Finding the Fourth Proportional to 1,127,453.88, 1,691,180.88 and 975,198.49

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Solution

The fourth proportional to 1,127,453.88, 1,691,180.88 and 975,198.49 is: 1,462,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,453.88 : 1,691,180.88 = 975,198.49 : x
  2. Step 2: Convert to fraction form
    1,127,453.88/1,691,180.88 = 975,198.49/x
  3. Step 3: Cross multiply
    1,127,453.88x = 1,691,180.88 × 975,198.49
  4. Step 4: Simplify right side
    1,127,453.88x = 1,649,237,032,607.92
  5. Step 5: Solve for x
    x = 1,649,237,032,607.92/1,127,453.88
  6. Step 6: Final answer
    x = 1,462,797.78

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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.