Finding the Fourth Proportional to 1,283,689.24, 1,771,518.18 and 702,936.80
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Solution
The fourth proportional to 1,283,689.24, 1,771,518.18 and 702,936.80 is: 970,067.58
Step by Step Solution
- Step 1: Write the proportion equation
1,283,689.24 : 1,771,518.18 = 702,936.80 : x - Step 2: Convert to fraction form
1,283,689.24/1,771,518.18 = 702,936.80/x - Step 3: Cross multiply
1,283,689.24x = 1,771,518.18 × 702,936.80 - Step 4: Simplify right side
1,283,689.24x = 1,245,265,320,591.02 - Step 5: Solve for x
x = 1,245,265,320,591.02/1,283,689.24 - Step 6: Final answer
x = 970,067.58
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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.