Home / 1,284,114.47-1,772,096.54-740,240.37

Finding the Fourth Proportional to 1,284,114.47, 1,772,096.54 and 740,240.37

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Solution

The fourth proportional to 1,284,114.47, 1,772,096.54 and 740,240.37 is: 1,021,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,114.47 : 1,772,096.54 = 740,240.37 : x
  2. Step 2: Convert to fraction form
    1,284,114.47/1,772,096.54 = 740,240.37/x
  3. Step 3: Cross multiply
    1,284,114.47x = 1,772,096.54 × 740,240.37
  4. Step 4: Simplify right side
    1,284,114.47x = 1,311,777,394,744.12
  5. Step 5: Solve for x
    x = 1,311,777,394,744.12/1,284,114.47
  6. Step 6: Final answer
    x = 1,021,542.42

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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.