Home / 1,766,040.57-2,649,112.79-486,667.44

Finding the Fourth Proportional to 1,766,040.57, 2,649,112.79 and 486,667.44

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Solution

The fourth proportional to 1,766,040.57, 2,649,112.79 and 486,667.44 is: 730,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,040.57 : 2,649,112.79 = 486,667.44 : x
  2. Step 2: Convert to fraction form
    1,766,040.57/2,649,112.79 = 486,667.44/x
  3. Step 3: Cross multiply
    1,766,040.57x = 2,649,112.79 × 486,667.44
  4. Step 4: Simplify right side
    1,766,040.57x = 1,289,236,937,347.22
  5. Step 5: Solve for x
    x = 1,289,236,937,347.22/1,766,040.57
  6. Step 6: Final answer
    x = 730,015.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.