Finding the Fourth Proportional to 1,283,891.07, 1,771,747.98 and 710,918.94
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Solution
The fourth proportional to 1,283,891.07, 1,771,747.98 and 710,918.94 is: 981,056.12
Step by Step Solution
- Step 1: Write the proportion equation
1,283,891.07 : 1,771,747.98 = 710,918.94 : x - Step 2: Convert to fraction form
1,283,891.07/1,771,747.98 = 710,918.94/x - Step 3: Cross multiply
1,283,891.07x = 1,771,747.98 × 710,918.94 - Step 4: Simplify right side
1,283,891.07x = 1,259,569,195,888.74 - Step 5: Solve for x
x = 1,259,569,195,888.74/1,283,891.07 - Step 6: Final answer
x = 981,056.12
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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.