Home / 1,116,540.72-1,675,365.08-442,607.76

Finding the Fourth Proportional to 1,116,540.72, 1,675,365.08 and 442,607.76

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Solution

The fourth proportional to 1,116,540.72, 1,675,365.08 and 442,607.76 is: 664,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,540.72 : 1,675,365.08 = 442,607.76 : x
  2. Step 2: Convert to fraction form
    1,116,540.72/1,675,365.08 = 442,607.76/x
  3. Step 3: Cross multiply
    1,116,540.72x = 1,675,365.08 × 442,607.76
  4. Step 4: Simplify right side
    1,116,540.72x = 741,529,585,241.02
  5. Step 5: Solve for x
    x = 741,529,585,241.02/1,116,540.72
  6. Step 6: Final answer
    x = 664,131.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.