Home / 1,292,597.73-1,939,782.47-451,149.48

Finding the Fourth Proportional to 1,292,597.73, 1,939,782.47 and 451,149.48

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Solution

The fourth proportional to 1,292,597.73, 1,939,782.47 and 451,149.48 is: 677,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,597.73 : 1,939,782.47 = 451,149.48 : x
  2. Step 2: Convert to fraction form
    1,292,597.73/1,939,782.47 = 451,149.48/x
  3. Step 3: Cross multiply
    1,292,597.73x = 1,939,782.47 × 451,149.48
  4. Step 4: Simplify right side
    1,292,597.73x = 875,131,850,397.87
  5. Step 5: Solve for x
    x = 875,131,850,397.87/1,292,597.73
  6. Step 6: Final answer
    x = 677,033.41

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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.