Home / 1,361,450.37-1,878,786.36-749,590.49

Finding the Fourth Proportional to 1,361,450.37, 1,878,786.36 and 749,590.49

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Solution

The fourth proportional to 1,361,450.37, 1,878,786.36 and 749,590.49 is: 1,034,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,450.37 : 1,878,786.36 = 749,590.49 : x
  2. Step 2: Convert to fraction form
    1,361,450.37/1,878,786.36 = 749,590.49/x
  3. Step 3: Cross multiply
    1,361,450.37x = 1,878,786.36 × 749,590.49
  4. Step 4: Simplify right side
    1,361,450.37x = 1,408,320,387,090.32
  5. Step 5: Solve for x
    x = 1,408,320,387,090.32/1,361,450.37
  6. Step 6: Final answer
    x = 1,034,426.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.