Finding the Fourth Proportional to 1,485,174.61, 2,228,241.68 and 686,979.75
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Solution
The fourth proportional to 1,485,174.61, 2,228,241.68 and 686,979.75 is: 1,030,691.54
Step by Step Solution
- Step 1: Write the proportion equation
1,485,174.61 : 2,228,241.68 = 686,979.75 : x - Step 2: Convert to fraction form
1,485,174.61/2,228,241.68 = 686,979.75/x - Step 3: Cross multiply
1,485,174.61x = 2,228,241.68 × 686,979.75 - Step 4: Simplify right side
1,485,174.61x = 1,530,756,912,265.98 - Step 5: Solve for x
x = 1,530,756,912,265.98/1,485,174.61 - Step 6: Final answer
x = 1,030,691.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.