Finding the Fourth Proportional to 1,225,984.22, 1,691,658.84 and 682,106.03
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Solution
The fourth proportional to 1,225,984.22, 1,691,658.84 and 682,106.03 is: 941,195.39
Step by Step Solution
- Step 1: Write the proportion equation
1,225,984.22 : 1,691,658.84 = 682,106.03 : x - Step 2: Convert to fraction form
1,225,984.22/1,691,658.84 = 682,106.03/x - Step 3: Cross multiply
1,225,984.22x = 1,691,658.84 × 682,106.03 - Step 4: Simplify right side
1,225,984.22x = 1,153,890,695,466.81 - Step 5: Solve for x
x = 1,153,890,695,466.81/1,225,984.22 - Step 6: Final answer
x = 941,195.39
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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.