Home / 1,181,353.48-1,630,267.86-644,809.48

Finding the Fourth Proportional to 1,181,353.48, 1,630,267.86 and 644,809.48

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Solution

The fourth proportional to 1,181,353.48, 1,630,267.86 and 644,809.48 is: 889,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,353.48 : 1,630,267.86 = 644,809.48 : x
  2. Step 2: Convert to fraction form
    1,181,353.48/1,630,267.86 = 644,809.48/x
  3. Step 3: Cross multiply
    1,181,353.48x = 1,630,267.86 × 644,809.48
  4. Step 4: Simplify right side
    1,181,353.48x = 1,051,212,171,067.31
  5. Step 5: Solve for x
    x = 1,051,212,171,067.31/1,181,353.48
  6. Step 6: Final answer
    x = 889,837.11

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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.