Finding the Fourth Proportional to 1,190,577.34, 1,643,026.37 and 646,712.97
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Solution
The fourth proportional to 1,190,577.34, 1,643,026.37 and 646,712.97 is: 892,479.99
Step by Step Solution
- Step 1: Write the proportion equation
1,190,577.34 : 1,643,026.37 = 646,712.97 : x - Step 2: Convert to fraction form
1,190,577.34/1,643,026.37 = 646,712.97/x - Step 3: Cross multiply
1,190,577.34x = 1,643,026.37 × 646,712.97 - Step 4: Simplify right side
1,190,577.34x = 1,062,566,456,189.89 - Step 5: Solve for x
x = 1,062,566,456,189.89/1,190,577.34 - Step 6: Final answer
x = 892,479.99
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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.