Finding the Fourth Proportional to 1,397,549.76, 1,928,625.20 and 793,970.88
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Solution
The fourth proportional to 1,397,549.76, 1,928,625.20 and 793,970.88 is: 1,095,683.52
Step by Step Solution
- Step 1: Write the proportion equation
1,397,549.76 : 1,928,625.20 = 793,970.88 : x - Step 2: Convert to fraction form
1,397,549.76/1,928,625.20 = 793,970.88/x - Step 3: Cross multiply
1,397,549.76x = 1,928,625.20 × 793,970.88 - Step 4: Simplify right side
1,397,549.76x = 1,531,272,247,234.18 - Step 5: Solve for x
x = 1,531,272,247,234.18/1,397,549.76 - Step 6: Final answer
x = 1,095,683.52
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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.