Finding the Fourth Proportional to 1,126,126.26, 1,689,189.39 and 284,678.01
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Solution
The fourth proportional to 1,126,126.26, 1,689,189.39 and 284,678.01 is: 427,017.02
Step by Step Solution
- Step 1: Write the proportion equation
1,126,126.26 : 1,689,189.39 = 284,678.01 : x - Step 2: Convert to fraction form
1,126,126.26/1,689,189.39 = 284,678.01/x - Step 3: Cross multiply
1,126,126.26x = 1,689,189.39 × 284,678.01 - Step 4: Simplify right side
1,126,126.26x = 480,875,074,058.31 - Step 5: Solve for x
x = 480,875,074,058.31/1,126,126.26 - Step 6: Final answer
x = 427,017.02
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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.