Finding the Fourth Proportional to 1,256,841.54, 1,734,462.09 and 683,884.62
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Solution
The fourth proportional to 1,256,841.54, 1,734,462.09 and 683,884.62 is: 943,772.07
Step by Step Solution
- Step 1: Write the proportion equation
1,256,841.54 : 1,734,462.09 = 683,884.62 : x - Step 2: Convert to fraction form
1,256,841.54/1,734,462.09 = 683,884.62/x - Step 3: Cross multiply
1,256,841.54x = 1,734,462.09 × 683,884.62 - Step 4: Simplify right side
1,256,841.54x = 1,186,171,947,324.06 - Step 5: Solve for x
x = 1,186,171,947,324.06/1,256,841.54 - Step 6: Final answer
x = 943,772.07
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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.