Home / 1,405,791.40-1,939,950.66-793,969.24

Finding the Fourth Proportional to 1,405,791.40, 1,939,950.66 and 793,969.24

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Solution

The fourth proportional to 1,405,791.40, 1,939,950.66 and 793,969.24 is: 1,095,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,791.40 : 1,939,950.66 = 793,969.24 : x
  2. Step 2: Convert to fraction form
    1,405,791.40/1,939,950.66 = 793,969.24/x
  3. Step 3: Cross multiply
    1,405,791.40x = 1,939,950.66 × 793,969.24
  4. Step 4: Simplify right side
    1,405,791.40x = 1,540,261,151,157.70
  5. Step 5: Solve for x
    x = 1,540,261,151,157.70/1,405,791.40
  6. Step 6: Final answer
    x = 1,095,654.13

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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.