Finding the Fourth Proportional to 1,405,174.74, 1,939,145.99 and 760,594.77
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Solution
The fourth proportional to 1,405,174.74, 1,939,145.99 and 760,594.77 is: 1,049,623.41
Step by Step Solution
- Step 1: Write the proportion equation
1,405,174.74 : 1,939,145.99 = 760,594.77 : x - Step 2: Convert to fraction form
1,405,174.74/1,939,145.99 = 760,594.77/x - Step 3: Cross multiply
1,405,174.74x = 1,939,145.99 × 760,594.77 - Step 4: Simplify right side
1,405,174.74x = 1,474,904,298,260.47 - Step 5: Solve for x
x = 1,474,904,298,260.47/1,405,174.74 - Step 6: Final answer
x = 1,049,623.41
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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.