Finding the Fourth Proportional to 1,190,474.04, 1,642,866.23 and 646,620.44
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Solution
The fourth proportional to 1,190,474.04, 1,642,866.23 and 646,620.44 is: 892,342.75
Step by Step Solution
- Step 1: Write the proportion equation
1,190,474.04 : 1,642,866.23 = 646,620.44 : x - Step 2: Convert to fraction form
1,190,474.04/1,642,866.23 = 646,620.44/x - Step 3: Cross multiply
1,190,474.04x = 1,642,866.23 × 646,620.44 - Step 4: Simplify right side
1,190,474.04x = 1,062,310,884,503.74 - Step 5: Solve for x
x = 1,062,310,884,503.74/1,190,474.04 - Step 6: Final answer
x = 892,342.75
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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.