Home / 1,261,955.58-1,741,485.51-688,993.98

Finding the Fourth Proportional to 1,261,955.58, 1,741,485.51 and 688,993.98

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Solution

The fourth proportional to 1,261,955.58, 1,741,485.51 and 688,993.98 is: 950,804.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,955.58 : 1,741,485.51 = 688,993.98 : x
  2. Step 2: Convert to fraction form
    1,261,955.58/1,741,485.51 = 688,993.98/x
  3. Step 3: Cross multiply
    1,261,955.58x = 1,741,485.51 × 688,993.98
  4. Step 4: Simplify right side
    1,261,955.58x = 1,199,873,032,647.23
  5. Step 5: Solve for x
    x = 1,199,873,032,647.23/1,261,955.58
  6. Step 6: Final answer
    x = 950,804.49

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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.