Home / 1,255,048.98-1,731,980.97-682,089.18

Finding the Fourth Proportional to 1,255,048.98, 1,731,980.97 and 682,089.18

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Solution

The fourth proportional to 1,255,048.98, 1,731,980.97 and 682,089.18 is: 941,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,048.98 : 1,731,980.97 = 682,089.18 : x
  2. Step 2: Convert to fraction form
    1,255,048.98/1,731,980.97 = 682,089.18/x
  3. Step 3: Cross multiply
    1,255,048.98x = 1,731,980.97 × 682,089.18
  4. Step 4: Simplify right side
    1,255,048.98x = 1,181,365,479,602.90
  5. Step 5: Solve for x
    x = 1,181,365,479,602.90/1,255,048.98
  6. Step 6: Final answer
    x = 941,290.34

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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.