Finding the Fourth Proportional to 1,379,228.68, 1,903,305.77 and 798,476.42
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Solution
The fourth proportional to 1,379,228.68, 1,903,305.77 and 798,476.42 is: 1,101,880.21
Step by Step Solution
- Step 1: Write the proportion equation
1,379,228.68 : 1,903,305.77 = 798,476.42 : x - Step 2: Convert to fraction form
1,379,228.68/1,903,305.77 = 798,476.42/x - Step 3: Cross multiply
1,379,228.68x = 1,903,305.77 × 798,476.42 - Step 4: Simplify right side
1,379,228.68x = 1,519,744,784,149.40 - Step 5: Solve for x
x = 1,519,744,784,149.40/1,379,228.68 - Step 6: Final answer
x = 1,101,880.21
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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.