Finding the Fourth Proportional to 1,439,405.73, 2,156,745.42 and 492,259.77
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Solution
The fourth proportional to 1,439,405.73, 2,156,745.42 and 492,259.77 is: 737,581.48
Step by Step Solution
- Step 1: Write the proportion equation
1,439,405.73 : 2,156,745.42 = 492,259.77 : x - Step 2: Convert to fraction form
1,439,405.73/2,156,745.42 = 492,259.77/x - Step 3: Cross multiply
1,439,405.73x = 2,156,745.42 × 492,259.77 - Step 4: Simplify right side
1,439,405.73x = 1,061,679,004,397.75 - Step 5: Solve for x
x = 1,061,679,004,397.75/1,439,405.73 - Step 6: Final answer
x = 737,581.48
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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.