Finding the Fourth Proportional to 1,277,022.24, 1,915,719.26 and 378,347.49
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Solution
The fourth proportional to 1,277,022.24, 1,915,719.26 and 378,347.49 is: 567,576.31
Step by Step Solution
- Step 1: Write the proportion equation
1,277,022.24 : 1,915,719.26 = 378,347.49 : x - Step 2: Convert to fraction form
1,277,022.24/1,915,719.26 = 378,347.49/x - Step 3: Cross multiply
1,277,022.24x = 1,915,719.26 × 378,347.49 - Step 4: Simplify right side
1,277,022.24x = 724,807,571,673.92 - Step 5: Solve for x
x = 724,807,571,673.92/1,277,022.24 - Step 6: Final answer
x = 567,576.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.