Finding the Fourth Proportional to 1,208,786.18, 1,811,352.42 and 808,710.75
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Solution
The fourth proportional to 1,208,786.18, 1,811,352.42 and 808,710.75 is: 1,211,843.92
Step by Step Solution
- Step 1: Write the proportion equation
1,208,786.18 : 1,811,352.42 = 808,710.75 : x - Step 2: Convert to fraction form
1,208,786.18/1,811,352.42 = 808,710.75/x - Step 3: Cross multiply
1,208,786.18x = 1,811,352.42 × 808,710.75 - Step 4: Simplify right side
1,208,786.18x = 1,464,860,174,092.52 - Step 5: Solve for x
x = 1,464,860,174,092.52/1,208,786.18 - Step 6: Final answer
x = 1,211,843.92
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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.