Finding the Fourth Proportional to 1,283,872.14, 1,771,721.85 and 710,899.98
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Solution
The fourth proportional to 1,283,872.14, 1,771,721.85 and 710,899.98 is: 981,029.96
Step by Step Solution
- Step 1: Write the proportion equation
1,283,872.14 : 1,771,721.85 = 710,899.98 : x - Step 2: Convert to fraction form
1,283,872.14/1,771,721.85 = 710,899.98/x - Step 3: Cross multiply
1,283,872.14x = 1,771,721.85 × 710,899.98 - Step 4: Simplify right side
1,283,872.14x = 1,259,517,027,730.56 - Step 5: Solve for x
x = 1,259,517,027,730.56/1,283,872.14 - Step 6: Final answer
x = 981,029.96
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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.