Finding the Fourth Proportional to 1,114,555.18, 1,538,556.97 and 752,469.48
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Solution
The fourth proportional to 1,114,555.18, 1,538,556.97 and 752,469.48 is: 1,038,725.75
Step by Step Solution
- Step 1: Write the proportion equation
1,114,555.18 : 1,538,556.97 = 752,469.48 : x - Step 2: Convert to fraction form
1,114,555.18/1,538,556.97 = 752,469.48/x - Step 3: Cross multiply
1,114,555.18x = 1,538,556.97 × 752,469.48 - Step 4: Simplify right side
1,114,555.18x = 1,157,717,163,166.28 - Step 5: Solve for x
x = 1,157,717,163,166.28/1,114,555.18 - Step 6: Final answer
x = 1,038,725.75
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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.