Finding the Fourth Proportional to 1,269,567.14, 1,903,125.98 and 427,659.62
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Solution
The fourth proportional to 1,269,567.14, 1,903,125.98 and 427,659.62 is: 641,076.87
Step by Step Solution
- Step 1: Write the proportion equation
1,269,567.14 : 1,903,125.98 = 427,659.62 : x - Step 2: Convert to fraction form
1,269,567.14/1,903,125.98 = 427,659.62/x - Step 3: Cross multiply
1,269,567.14x = 1,903,125.98 × 427,659.62 - Step 4: Simplify right side
1,269,567.14x = 813,890,124,972.45 - Step 5: Solve for x
x = 813,890,124,972.45/1,269,567.14 - Step 6: Final answer
x = 641,076.87
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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.