Finding the Fourth Proportional to 1,427,269.93, 1,969,659.53 and 782,651.68
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Solution
The fourth proportional to 1,427,269.93, 1,969,659.53 and 782,651.68 is: 1,080,074.14
Step by Step Solution
- Step 1: Write the proportion equation
1,427,269.93 : 1,969,659.53 = 782,651.68 : x - Step 2: Convert to fraction form
1,427,269.93/1,969,659.53 = 782,651.68/x - Step 3: Cross multiply
1,427,269.93x = 1,969,659.53 × 782,651.68 - Step 4: Simplify right side
1,427,269.93x = 1,541,557,340,182.51 - Step 5: Solve for x
x = 1,541,557,340,182.51/1,427,269.93 - Step 6: Final answer
x = 1,080,074.14
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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.