Home / 1,331,796.54-1,837,886.31-728,184.54

Finding the Fourth Proportional to 1,331,796.54, 1,837,886.31 and 728,184.54

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Solution

The fourth proportional to 1,331,796.54, 1,837,886.31 and 728,184.54 is: 1,004,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,796.54 : 1,837,886.31 = 728,184.54 : x
  2. Step 2: Convert to fraction form
    1,331,796.54/1,837,886.31 = 728,184.54/x
  3. Step 3: Cross multiply
    1,331,796.54x = 1,837,886.31 × 728,184.54
  4. Step 4: Simplify right side
    1,331,796.54x = 1,338,320,397,219.65
  5. Step 5: Solve for x
    x = 1,338,320,397,219.65/1,331,796.54
  6. Step 6: Final answer
    x = 1,004,898.54

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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.