Finding the Fourth Proportional to 1,269,567.64, 1,903,126.73 and 427,660.12
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Solution
The fourth proportional to 1,269,567.64, 1,903,126.73 and 427,660.12 is: 641,077.62
Step by Step Solution
- Step 1: Write the proportion equation
1,269,567.64 : 1,903,126.73 = 427,660.12 : x - Step 2: Convert to fraction form
1,269,567.64/1,903,126.73 = 427,660.12/x - Step 3: Cross multiply
1,269,567.64x = 1,903,126.73 × 427,660.12 - Step 4: Simplify right side
1,269,567.64x = 813,891,396,211.37 - Step 5: Solve for x
x = 813,891,396,211.37/1,269,567.64 - Step 6: Final answer
x = 641,077.62
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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.