Finding the Fourth Proportional to 1,361,546.07, 1,879,185.54 and 788,586.09
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Solution
The fourth proportional to 1,361,546.07, 1,879,185.54 and 788,586.09 is: 1,088,394.74
Step by Step Solution
- Step 1: Write the proportion equation
1,361,546.07 : 1,879,185.54 = 788,586.09 : x - Step 2: Convert to fraction form
1,361,546.07/1,879,185.54 = 788,586.09/x - Step 3: Cross multiply
1,361,546.07x = 1,879,185.54 × 788,586.09 - Step 4: Simplify right side
1,361,546.07x = 1,481,899,577,373.14 - Step 5: Solve for x
x = 1,481,899,577,373.14/1,361,546.07 - Step 6: Final answer
x = 1,088,394.74
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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.