Home / 1,190,334.58-1,642,923.27-782,474.10

Finding the Fourth Proportional to 1,190,334.58, 1,642,923.27 and 782,474.10

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Solution

The fourth proportional to 1,190,334.58, 1,642,923.27 and 782,474.10 is: 1,079,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,334.58 : 1,642,923.27 = 782,474.10 : x
  2. Step 2: Convert to fraction form
    1,190,334.58/1,642,923.27 = 782,474.10/x
  3. Step 3: Cross multiply
    1,190,334.58x = 1,642,923.27 × 782,474.10
  4. Step 4: Simplify right side
    1,190,334.58x = 1,285,544,907,062.31
  5. Step 5: Solve for x
    x = 1,285,544,907,062.31/1,190,334.58
  6. Step 6: Final answer
    x = 1,079,986.19

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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.