Finding the Fourth Proportional to 1,246,138.41, 1,719,668.84 and 673,176.81
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Solution
The fourth proportional to 1,246,138.41, 1,719,668.84 and 673,176.81 is: 928,982.83
Step by Step Solution
- Step 1: Write the proportion equation
1,246,138.41 : 1,719,668.84 = 673,176.81 : x - Step 2: Convert to fraction form
1,246,138.41/1,719,668.84 = 673,176.81/x - Step 3: Cross multiply
1,246,138.41x = 1,719,668.84 × 673,176.81 - Step 4: Simplify right side
1,246,138.41x = 1,157,641,180,601.72 - Step 5: Solve for x
x = 1,157,641,180,601.72/1,246,138.41 - Step 6: Final answer
x = 928,982.83
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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.