Home / 1,314,781.20-1,972,427.52-505,106.64

Finding the Fourth Proportional to 1,314,781.20, 1,972,427.52 and 505,106.64

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Solution

The fourth proportional to 1,314,781.20, 1,972,427.52 and 505,106.64 is: 757,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,781.20 : 1,972,427.52 = 505,106.64 : x
  2. Step 2: Convert to fraction form
    1,314,781.20/1,972,427.52 = 505,106.64/x
  3. Step 3: Cross multiply
    1,314,781.20x = 1,972,427.52 × 505,106.64
  4. Step 4: Simplify right side
    1,314,781.20x = 996,286,237,270.73
  5. Step 5: Solve for x
    x = 996,286,237,270.73/1,314,781.20
  6. Step 6: Final answer
    x = 757,758.20

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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.