Finding the Fourth Proportional to 1,119,965.91, 1,679,481.76 and 351,265.57
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Solution
The fourth proportional to 1,119,965.91, 1,679,481.76 and 351,265.57 is: 526,751.84
Step by Step Solution
- Step 1: Write the proportion equation
1,119,965.91 : 1,679,481.76 = 351,265.57 : x - Step 2: Convert to fraction form
1,119,965.91/1,679,481.76 = 351,265.57/x - Step 3: Cross multiply
1,119,965.91x = 1,679,481.76 × 351,265.57 - Step 4: Simplify right side
1,119,965.91x = 589,944,107,577.27 - Step 5: Solve for x
x = 589,944,107,577.27/1,119,965.91 - Step 6: Final answer
x = 526,751.84
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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.