Finding the Fourth Proportional to 1,125,799.70, 1,553,556.93 and 616,493.30
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Solution
The fourth proportional to 1,125,799.70, 1,553,556.93 and 616,493.30 is: 850,735.20
Step by Step Solution
- Step 1: Write the proportion equation
1,125,799.70 : 1,553,556.93 = 616,493.30 : x - Step 2: Convert to fraction form
1,125,799.70/1,553,556.93 = 616,493.30/x - Step 3: Cross multiply
1,125,799.70x = 1,553,556.93 × 616,493.30 - Step 4: Simplify right side
1,125,799.70x = 957,757,438,513.57 - Step 5: Solve for x
x = 957,757,438,513.57/1,125,799.70 - Step 6: Final answer
x = 850,735.20
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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.