Finding the Fourth Proportional to 1,277,166.24, 1,915,768.08 and 378,699.36
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Solution
The fourth proportional to 1,277,166.24, 1,915,768.08 and 378,699.36 is: 568,054.59
Step by Step Solution
- Step 1: Write the proportion equation
1,277,166.24 : 1,915,768.08 = 378,699.36 : x - Step 2: Convert to fraction form
1,277,166.24/1,915,768.08 = 378,699.36/x - Step 3: Cross multiply
1,277,166.24x = 1,915,768.08 × 378,699.36 - Step 4: Simplify right side
1,277,166.24x = 725,500,145,804.43 - Step 5: Solve for x
x = 725,500,145,804.43/1,277,166.24 - Step 6: Final answer
x = 568,054.59
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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.