Home / 1,005,365.82-1,387,369.71-552,653.58

Finding the Fourth Proportional to 1,005,365.82, 1,387,369.71 and 552,653.58

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Solution

The fourth proportional to 1,005,365.82, 1,387,369.71 and 552,653.58 is: 762,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,365.82 : 1,387,369.71 = 552,653.58 : x
  2. Step 2: Convert to fraction form
    1,005,365.82/1,387,369.71 = 552,653.58/x
  3. Step 3: Cross multiply
    1,005,365.82x = 1,387,369.71 × 552,653.58
  4. Step 4: Simplify right side
    1,005,365.82x = 766,734,837,015.06
  5. Step 5: Solve for x
    x = 766,734,837,015.06/1,005,365.82
  6. Step 6: Final answer
    x = 762,642.63

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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.