Finding the Fourth Proportional to 1,283,716.68, 1,771,556.64 and 702,964.32
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Solution
The fourth proportional to 1,283,716.68, 1,771,556.64 and 702,964.32 is: 970,105.89
Step by Step Solution
- Step 1: Write the proportion equation
1,283,716.68 : 1,771,556.64 = 702,964.32 : x - Step 2: Convert to fraction form
1,283,716.68/1,771,556.64 = 702,964.32/x - Step 3: Cross multiply
1,283,716.68x = 1,771,556.64 × 702,964.32 - Step 4: Simplify right side
1,283,716.68x = 1,245,341,108,779.08 - Step 5: Solve for x
x = 1,245,341,108,779.08/1,283,716.68 - Step 6: Final answer
x = 970,105.89
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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.