Home / 1,729,405.40-2,387,282.88-1,117,608.54

Finding the Fourth Proportional to 1,729,405.40, 2,387,282.88 and 1,117,608.54

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Solution

The fourth proportional to 1,729,405.40, 2,387,282.88 and 1,117,608.54 is: 1,542,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,405.40 : 2,387,282.88 = 1,117,608.54 : x
  2. Step 2: Convert to fraction form
    1,729,405.40/2,387,282.88 = 1,117,608.54/x
  3. Step 3: Cross multiply
    1,729,405.40x = 2,387,282.88 × 1,117,608.54
  4. Step 4: Simplify right side
    1,729,405.40x = 2,668,047,734,083.80
  5. Step 5: Solve for x
    x = 2,668,047,734,083.80/1,729,405.40
  6. Step 6: Final answer
    x = 1,542,754.37

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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.