Home / 1,181,648.96-1,630,634.40-728,928.32

Finding the Fourth Proportional to 1,181,648.96, 1,630,634.40 and 728,928.32

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Solution

The fourth proportional to 1,181,648.96, 1,630,634.40 and 728,928.32 is: 1,005,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,648.96 : 1,630,634.40 = 728,928.32 : x
  2. Step 2: Convert to fraction form
    1,181,648.96/1,630,634.40 = 728,928.32/x
  3. Step 3: Cross multiply
    1,181,648.96x = 1,630,634.40 × 728,928.32
  4. Step 4: Simplify right side
    1,181,648.96x = 1,188,615,593,726.21
  5. Step 5: Solve for x
    x = 1,188,615,593,726.21/1,181,648.96
  6. Step 6: Final answer
    x = 1,005,895.69

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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.