Finding the Fourth Proportional to 1,190,852.37, 1,643,367.40 and 646,992.63
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Solution
The fourth proportional to 1,190,852.37, 1,643,367.40 and 646,992.63 is: 892,845.01
Step by Step Solution
- Step 1: Write the proportion equation
1,190,852.37 : 1,643,367.40 = 646,992.63 : x - Step 2: Convert to fraction form
1,190,852.37/1,643,367.40 = 646,992.63/x - Step 3: Cross multiply
1,190,852.37x = 1,643,367.40 × 646,992.63 - Step 4: Simplify right side
1,190,852.37x = 1,063,246,596,182.26 - Step 5: Solve for x
x = 1,063,246,596,182.26/1,190,852.37 - Step 6: Final answer
x = 892,845.01
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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.