Finding the Fourth Proportional to 1,373,679.12, 1,895,790.69 and 762,029.10
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Solution
The fourth proportional to 1,373,679.12, 1,895,790.69 and 762,029.10 is: 1,051,663.12
Step by Step Solution
- Step 1: Write the proportion equation
1,373,679.12 : 1,895,790.69 = 762,029.10 : x - Step 2: Convert to fraction form
1,373,679.12/1,895,790.69 = 762,029.10/x - Step 3: Cross multiply
1,373,679.12x = 1,895,790.69 × 762,029.10 - Step 4: Simplify right side
1,373,679.12x = 1,444,647,673,289.08 - Step 5: Solve for x
x = 1,444,647,673,289.08/1,373,679.12 - Step 6: Final answer
x = 1,051,663.12
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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.