Finding the Fourth Proportional to 1,331,957.44, 1,838,121.42 and 758,985.40
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Solution
The fourth proportional to 1,331,957.44, 1,838,121.42 and 758,985.40 is: 1,047,411.34
Step by Step Solution
- Step 1: Write the proportion equation
1,331,957.44 : 1,838,121.42 = 758,985.40 : x - Step 2: Convert to fraction form
1,331,957.44/1,838,121.42 = 758,985.40/x - Step 3: Cross multiply
1,331,957.44x = 1,838,121.42 × 758,985.40 - Step 4: Simplify right side
1,331,957.44x = 1,395,107,321,207.27 - Step 5: Solve for x
x = 1,395,107,321,207.27/1,331,957.44 - Step 6: Final answer
x = 1,047,411.34
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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.