Finding the Fourth Proportional to 1,057,310.19, 1,585,965.33 and 258,582.24
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Solution
The fourth proportional to 1,057,310.19, 1,585,965.33 and 258,582.24 is: 387,873.37
Step by Step Solution
- Step 1: Write the proportion equation
1,057,310.19 : 1,585,965.33 = 258,582.24 : x - Step 2: Convert to fraction form
1,057,310.19/1,585,965.33 = 258,582.24/x - Step 3: Cross multiply
1,057,310.19x = 1,585,965.33 × 258,582.24 - Step 4: Simplify right side
1,057,310.19x = 410,102,467,593.74 - Step 5: Solve for x
x = 410,102,467,593.74/1,057,310.19 - Step 6: Final answer
x = 387,873.37
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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.