Finding the Fourth Proportional to 1,283,896.12, 1,771,754.77 and 710,923.99
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Solution
The fourth proportional to 1,283,896.12, 1,771,754.77 and 710,923.99 is: 981,062.99
Step by Step Solution
- Step 1: Write the proportion equation
1,283,896.12 : 1,771,754.77 = 710,923.99 : x - Step 2: Convert to fraction form
1,283,896.12/1,771,754.77 = 710,923.99/x - Step 3: Cross multiply
1,283,896.12x = 1,771,754.77 × 710,923.99 - Step 4: Simplify right side
1,283,896.12x = 1,259,582,966,172.29 - Step 5: Solve for x
x = 1,259,582,966,172.29/1,283,896.12 - Step 6: Final answer
x = 981,062.99
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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.