Finding the Fourth Proportional to 1,246,845.14, 1,720,611.87 and 702,976.16
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Solution
The fourth proportional to 1,246,845.14, 1,720,611.87 and 702,976.16 is: 970,087.69
Step by Step Solution
- Step 1: Write the proportion equation
1,246,845.14 : 1,720,611.87 = 702,976.16 : x - Step 2: Convert to fraction form
1,246,845.14/1,720,611.87 = 702,976.16/x - Step 3: Cross multiply
1,246,845.14x = 1,720,611.87 × 702,976.16 - Step 4: Simplify right side
1,246,845.14x = 1,209,549,125,223.02 - Step 5: Solve for x
x = 1,209,549,125,223.02/1,246,845.14 - Step 6: Final answer
x = 970,087.69
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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.