Finding the Fourth Proportional to 1,207,479.98, 1,666,287.14 and 691,216.76
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Solution
The fourth proportional to 1,207,479.98, 1,666,287.14 and 691,216.76 is: 953,858.96
Step by Step Solution
- Step 1: Write the proportion equation
1,207,479.98 : 1,666,287.14 = 691,216.76 : x - Step 2: Convert to fraction form
1,207,479.98/1,666,287.14 = 691,216.76/x - Step 3: Cross multiply
1,207,479.98x = 1,666,287.14 × 691,216.76 - Step 4: Simplify right side
1,207,479.98x = 1,151,765,598,850.10 - Step 5: Solve for x
x = 1,151,765,598,850.10/1,207,479.98 - Step 6: Final answer
x = 953,858.96
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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.