Finding the Fourth Proportional to 1,324,704.22, 1,828,330.40 and 780,808.26
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Solution
The fourth proportional to 1,324,704.22, 1,828,330.40 and 780,808.26 is: 1,077,656.02
Step by Step Solution
- Step 1: Write the proportion equation
1,324,704.22 : 1,828,330.40 = 780,808.26 : x - Step 2: Convert to fraction form
1,324,704.22/1,828,330.40 = 780,808.26/x - Step 3: Cross multiply
1,324,704.22x = 1,828,330.40 × 780,808.26 - Step 4: Simplify right side
1,324,704.22x = 1,427,575,478,329.10 - Step 5: Solve for x
x = 1,427,575,478,329.10/1,324,704.22 - Step 6: Final answer
x = 1,077,656.02
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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.