Finding the Fourth Proportional to 1,283,782.68, 1,771,647.84 and 703,030.32
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Solution
The fourth proportional to 1,283,782.68, 1,771,647.84 and 703,030.32 is: 970,197.03
Step by Step Solution
- Step 1: Write the proportion equation
1,283,782.68 : 1,771,647.84 = 703,030.32 : x - Step 2: Convert to fraction form
1,283,782.68/1,771,647.84 = 703,030.32/x - Step 3: Cross multiply
1,283,782.68x = 1,771,647.84 × 703,030.32 - Step 4: Simplify right side
1,283,782.68x = 1,245,522,147,882.51 - Step 5: Solve for x
x = 1,245,522,147,882.51/1,283,782.68 - Step 6: Final answer
x = 970,197.03
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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.