Finding the Fourth Proportional to 1,367,879.20, 1,887,771.02 and 756,018.80
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Solution
The fourth proportional to 1,367,879.20, 1,887,771.02 and 756,018.80 is: 1,043,359.96
Step by Step Solution
- Step 1: Write the proportion equation
1,367,879.20 : 1,887,771.02 = 756,018.80 : x - Step 2: Convert to fraction form
1,367,879.20/1,887,771.02 = 756,018.80/x - Step 3: Cross multiply
1,367,879.20x = 1,887,771.02 × 756,018.80 - Step 4: Simplify right side
1,367,879.20x = 1,427,190,381,215.18 - Step 5: Solve for x
x = 1,427,190,381,215.18/1,367,879.20 - Step 6: Final answer
x = 1,043,359.96
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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.