Finding the Fourth Proportional to 1,386,385.23, 2,079,263.49 and 627,725.88
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Solution
The fourth proportional to 1,386,385.23, 2,079,263.49 and 627,725.88 is: 941,446.49
Step by Step Solution
- Step 1: Write the proportion equation
1,386,385.23 : 2,079,263.49 = 627,725.88 : x - Step 2: Convert to fraction form
1,386,385.23/2,079,263.49 = 627,725.88/x - Step 3: Cross multiply
1,386,385.23x = 2,079,263.49 × 627,725.88 - Step 4: Simplify right side
1,386,385.23x = 1,305,207,504,012.12 - Step 5: Solve for x
x = 1,305,207,504,012.12/1,386,385.23 - Step 6: Final answer
x = 941,446.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.