Home / 1,181,602.88-1,630,603.68-645,058.88

Finding the Fourth Proportional to 1,181,602.88, 1,630,603.68 and 645,058.88

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Solution

The fourth proportional to 1,181,602.88, 1,630,603.68 and 645,058.88 is: 890,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,602.88 : 1,630,603.68 = 645,058.88 : x
  2. Step 2: Convert to fraction form
    1,181,602.88/1,630,603.68 = 645,058.88/x
  3. Step 3: Cross multiply
    1,181,602.88x = 1,630,603.68 × 645,058.88
  4. Step 4: Simplify right side
    1,181,602.88x = 1,051,835,383,544.68
  5. Step 5: Solve for x
    x = 1,051,835,383,544.68/1,181,602.88
  6. Step 6: Final answer
    x = 890,176.73

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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.