Finding the Fourth Proportional to 1,107,299.98, 1,528,078.49 and 623,872.13
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Solution
The fourth proportional to 1,107,299.98, 1,528,078.49 and 623,872.13 is: 860,946.09
Step by Step Solution
- Step 1: Write the proportion equation
1,107,299.98 : 1,528,078.49 = 623,872.13 : x - Step 2: Convert to fraction form
1,107,299.98/1,528,078.49 = 623,872.13/x - Step 3: Cross multiply
1,107,299.98x = 1,528,078.49 × 623,872.13 - Step 4: Simplify right side
1,107,299.98x = 953,325,587,743.36 - Step 5: Solve for x
x = 953,325,587,743.36/1,107,299.98 - Step 6: Final answer
x = 860,946.09
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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.