Home / 1,296,758.70-1,945,138.05-455,201.10

Finding the Fourth Proportional to 1,296,758.70, 1,945,138.05 and 455,201.10

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Solution

The fourth proportional to 1,296,758.70, 1,945,138.05 and 455,201.10 is: 682,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,758.70 : 1,945,138.05 = 455,201.10 : x
  2. Step 2: Convert to fraction form
    1,296,758.70/1,945,138.05 = 455,201.10/x
  3. Step 3: Cross multiply
    1,296,758.70x = 1,945,138.05 × 455,201.10
  4. Step 4: Simplify right side
    1,296,758.70x = 885,428,980,011.86
  5. Step 5: Solve for x
    x = 885,428,980,011.86/1,296,758.70
  6. Step 6: Final answer
    x = 682,801.65

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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.