Finding the Fourth Proportional to 1,255,588.38, 1,732,745.91 and 682,668.06
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Solution
The fourth proportional to 1,255,588.38, 1,732,745.91 and 682,668.06 is: 942,100.38
Step by Step Solution
- Step 1: Write the proportion equation
1,255,588.38 : 1,732,745.91 = 682,668.06 : x - Step 2: Convert to fraction form
1,255,588.38/1,732,745.91 = 682,668.06/x - Step 3: Cross multiply
1,255,588.38x = 1,732,745.91 × 682,668.06 - Step 4: Simplify right side
1,255,588.38x = 1,182,890,288,852.63 - Step 5: Solve for x
x = 1,182,890,288,852.63/1,255,588.38 - Step 6: Final answer
x = 942,100.38
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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.