Finding the Fourth Proportional to 1,427,827.44, 1,970,404.86 and 783,252.84
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Solution
The fourth proportional to 1,427,827.44, 1,970,404.86 and 783,252.84 is: 1,080,890.56
Step by Step Solution
- Step 1: Write the proportion equation
1,427,827.44 : 1,970,404.86 = 783,252.84 : x - Step 2: Convert to fraction form
1,427,827.44/1,970,404.86 = 783,252.84/x - Step 3: Cross multiply
1,427,827.44x = 1,970,404.86 × 783,252.84 - Step 4: Simplify right side
1,427,827.44x = 1,543,325,202,544.80 - Step 5: Solve for x
x = 1,543,325,202,544.80/1,427,827.44 - Step 6: Final answer
x = 1,080,890.56
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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.