Home / 1,182,128.33-1,772,558.26-372,361.51

Finding the Fourth Proportional to 1,182,128.33, 1,772,558.26 and 372,361.51

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Solution

The fourth proportional to 1,182,128.33, 1,772,558.26 and 372,361.51 is: 558,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,128.33 : 1,772,558.26 = 372,361.51 : x
  2. Step 2: Convert to fraction form
    1,182,128.33/1,772,558.26 = 372,361.51/x
  3. Step 3: Cross multiply
    1,182,128.33x = 1,772,558.26 × 372,361.51
  4. Step 4: Simplify right side
    1,182,128.33x = 660,032,462,617.99
  5. Step 5: Solve for x
    x = 660,032,462,617.99/1,182,128.33
  6. Step 6: Final answer
    x = 558,342.48

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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.