Finding the Fourth Proportional to 1,279,182.18, 1,765,266.50 and 706,218.24
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Solution
The fourth proportional to 1,279,182.18, 1,765,266.50 and 706,218.24 is: 974,578.46
Step by Step Solution
- Step 1: Write the proportion equation
1,279,182.18 : 1,765,266.50 = 706,218.24 : x - Step 2: Convert to fraction form
1,279,182.18/1,765,266.50 = 706,218.24/x - Step 3: Cross multiply
1,279,182.18x = 1,765,266.50 × 706,218.24 - Step 4: Simplify right side
1,279,182.18x = 1,246,663,397,229.87 - Step 5: Solve for x
x = 1,246,663,397,229.87/1,279,182.18 - Step 6: Final answer
x = 974,578.46
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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.