Finding the Fourth Proportional to 1,175,806.10, 1,622,565.12 and 692,391.62
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Solution
The fourth proportional to 1,175,806.10, 1,622,565.12 and 692,391.62 is: 955,472.58
Step by Step Solution
- Step 1: Write the proportion equation
1,175,806.10 : 1,622,565.12 = 692,391.62 : x - Step 2: Convert to fraction form
1,175,806.10/1,622,565.12 = 692,391.62/x - Step 3: Cross multiply
1,175,806.10x = 1,622,565.12 × 692,391.62 - Step 4: Simplify right side
1,175,806.10x = 1,123,450,491,992.29 - Step 5: Solve for x
x = 1,123,450,491,992.29/1,175,806.10 - Step 6: Final answer
x = 955,472.58
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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.