Home / 1,181,604.52-1,630,605.90-645,060.52

Finding the Fourth Proportional to 1,181,604.52, 1,630,605.90 and 645,060.52

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Solution

The fourth proportional to 1,181,604.52, 1,630,605.90 and 645,060.52 is: 890,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,604.52 : 1,630,605.90 = 645,060.52 : x
  2. Step 2: Convert to fraction form
    1,181,604.52/1,630,605.90 = 645,060.52/x
  3. Step 3: Cross multiply
    1,181,604.52x = 1,630,605.90 × 645,060.52
  4. Step 4: Simplify right side
    1,181,604.52x = 1,051,839,489,769.07
  5. Step 5: Solve for x
    x = 1,051,839,489,769.07/1,181,604.52
  6. Step 6: Final answer
    x = 890,178.97

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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.