Home / 1,273,940.12-1,910,319.68-475,007.15

Finding the Fourth Proportional to 1,273,940.12, 1,910,319.68 and 475,007.15

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Solution

The fourth proportional to 1,273,940.12, 1,910,319.68 and 475,007.15 is: 712,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,940.12 : 1,910,319.68 = 475,007.15 : x
  2. Step 2: Convert to fraction form
    1,273,940.12/1,910,319.68 = 475,007.15/x
  3. Step 3: Cross multiply
    1,273,940.12x = 1,910,319.68 × 475,007.15
  4. Step 4: Simplify right side
    1,273,940.12x = 907,415,512,749.03
  5. Step 5: Solve for x
    x = 907,415,512,749.03/1,273,940.12
  6. Step 6: Final answer
    x = 712,290.55

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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.