Finding the Fourth Proportional to 1,255,652.28, 1,732,817.21 and 682,691.09
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Solution
The fourth proportional to 1,255,652.28, 1,732,817.21 and 682,691.09 is: 942,122.97
Step by Step Solution
- Step 1: Write the proportion equation
1,255,652.28 : 1,732,817.21 = 682,691.09 : x - Step 2: Convert to fraction form
1,255,652.28/1,732,817.21 = 682,691.09/x - Step 3: Cross multiply
1,255,652.28x = 1,732,817.21 × 682,691.09 - Step 4: Simplify right side
1,255,652.28x = 1,182,978,857,788.12 - Step 5: Solve for x
x = 1,182,978,857,788.12/1,255,652.28 - Step 6: Final answer
x = 942,122.97
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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.