Finding the Fourth Proportional to 1,367,873.25, 1,887,762.79 and 756,012.84
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Solution
The fourth proportional to 1,367,873.25, 1,887,762.79 and 756,012.84 is: 1,043,351.72
Step by Step Solution
- Step 1: Write the proportion equation
1,367,873.25 : 1,887,762.79 = 756,012.84 : x - Step 2: Convert to fraction form
1,367,873.25/1,887,762.79 = 756,012.84/x - Step 3: Cross multiply
1,367,873.25x = 1,887,762.79 × 756,012.84 - Step 4: Simplify right side
1,367,873.25x = 1,427,172,908,114.22 - Step 5: Solve for x
x = 1,427,172,908,114.22/1,367,873.25 - Step 6: Final answer
x = 1,043,351.72
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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.