Finding the Fourth Proportional to 1,261,085.96, 1,740,336.96 and 717,299.96
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Solution
The fourth proportional to 1,261,085.96, 1,740,336.96 and 717,299.96 is: 989,895.75
Step by Step Solution
- Step 1: Write the proportion equation
1,261,085.96 : 1,740,336.96 = 717,299.96 : x - Step 2: Convert to fraction form
1,261,085.96/1,740,336.96 = 717,299.96/x - Step 3: Cross multiply
1,261,085.96x = 1,740,336.96 × 717,299.96 - Step 4: Simplify right side
1,261,085.96x = 1,248,343,631,794.52 - Step 5: Solve for x
x = 1,248,343,631,794.52/1,261,085.96 - Step 6: Final answer
x = 989,895.75
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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.