Home / 1,255,011.32-1,731,866.85-682,039.19

Finding the Fourth Proportional to 1,255,011.32, 1,731,866.85 and 682,039.19

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Solution

The fourth proportional to 1,255,011.32, 1,731,866.85 and 682,039.19 is: 941,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,011.32 : 1,731,866.85 = 682,039.19 : x
  2. Step 2: Convert to fraction form
    1,255,011.32/1,731,866.85 = 682,039.19/x
  3. Step 3: Cross multiply
    1,255,011.32x = 1,731,866.85 × 682,039.19
  4. Step 4: Simplify right side
    1,255,011.32x = 1,181,201,056,231.53
  5. Step 5: Solve for x
    x = 1,181,201,056,231.53/1,255,011.32
  6. Step 6: Final answer
    x = 941,187.57

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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.