Finding the Fourth Proportional to 1,427,325.68, 1,969,712.16 and 782,750.36
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Solution
The fourth proportional to 1,427,325.68, 1,969,712.16 and 782,750.36 is: 1,080,196.99
Step by Step Solution
- Step 1: Write the proportion equation
1,427,325.68 : 1,969,712.16 = 782,750.36 : x - Step 2: Convert to fraction form
1,427,325.68/1,969,712.16 = 782,750.36/x - Step 3: Cross multiply
1,427,325.68x = 1,969,712.16 × 782,750.36 - Step 4: Simplify right side
1,427,325.68x = 1,541,792,902,336.38 - Step 5: Solve for x
x = 1,541,792,902,336.38/1,427,325.68 - Step 6: Final answer
x = 1,080,196.99
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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.