Home / 1,331,726.32-1,837,790.04-728,114.32

Finding the Fourth Proportional to 1,331,726.32, 1,837,790.04 and 728,114.32

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Solution

The fourth proportional to 1,331,726.32, 1,837,790.04 and 728,114.32 is: 1,004,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,726.32 : 1,837,790.04 = 728,114.32 : x
  2. Step 2: Convert to fraction form
    1,331,726.32/1,837,790.04 = 728,114.32/x
  3. Step 3: Cross multiply
    1,331,726.32x = 1,837,790.04 × 728,114.32
  4. Step 4: Simplify right side
    1,331,726.32x = 1,338,121,245,277.37
  5. Step 5: Solve for x
    x = 1,338,121,245,277.37/1,331,726.32
  6. Step 6: Final answer
    x = 1,004,801.98

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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.