Finding the Fourth Proportional to 1,369,249.77, 1,889,419.26 and 757,305.30
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Solution
The fourth proportional to 1,369,249.77, 1,889,419.26 and 757,305.30 is: 1,045,000.88
Step by Step Solution
- Step 1: Write the proportion equation
1,369,249.77 : 1,889,419.26 = 757,305.30 : x - Step 2: Convert to fraction form
1,369,249.77/1,889,419.26 = 757,305.30/x - Step 3: Cross multiply
1,369,249.77x = 1,889,419.26 × 757,305.30 - Step 4: Simplify right side
1,369,249.77x = 1,430,867,219,520.08 - Step 5: Solve for x
x = 1,430,867,219,520.08/1,369,249.77 - Step 6: Final answer
x = 1,045,000.88
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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.