Home / 1,100,838.51-1,517,751.20-712,968.80

Finding the Fourth Proportional to 1,100,838.51, 1,517,751.20 and 712,968.80

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Solution

The fourth proportional to 1,100,838.51, 1,517,751.20 and 712,968.80 is: 982,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,838.51 : 1,517,751.20 = 712,968.80 : x
  2. Step 2: Convert to fraction form
    1,100,838.51/1,517,751.20 = 712,968.80/x
  3. Step 3: Cross multiply
    1,100,838.51x = 1,517,751.20 × 712,968.80
  4. Step 4: Simplify right side
    1,100,838.51x = 1,082,109,251,762.56
  5. Step 5: Solve for x
    x = 1,082,109,251,762.56/1,100,838.51
  6. Step 6: Final answer
    x = 982,986.37

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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.