Finding the Fourth Proportional to 1,057,185.84, 1,585,764.56 and 258,474.26
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Solution
The fourth proportional to 1,057,185.84, 1,585,764.56 and 258,474.26 is: 387,707.92
Step by Step Solution
- Step 1: Write the proportion equation
1,057,185.84 : 1,585,764.56 = 258,474.26 : x - Step 2: Convert to fraction form
1,057,185.84/1,585,764.56 = 258,474.26/x - Step 3: Cross multiply
1,057,185.84x = 1,585,764.56 × 258,474.26 - Step 4: Simplify right side
1,057,185.84x = 409,879,321,180.23 - Step 5: Solve for x
x = 409,879,321,180.23/1,057,185.84 - Step 6: Final answer
x = 387,707.92
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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.