Finding the Fourth Proportional to 1,174,107.06, 1,620,274.11 and 664,908.66
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Solution
The fourth proportional to 1,174,107.06, 1,620,274.11 and 664,908.66 is: 917,577.56
Step by Step Solution
- Step 1: Write the proportion equation
1,174,107.06 : 1,620,274.11 = 664,908.66 : x - Step 2: Convert to fraction form
1,174,107.06/1,620,274.11 = 664,908.66/x - Step 3: Cross multiply
1,174,107.06x = 1,620,274.11 × 664,908.66 - Step 4: Simplify right side
1,174,107.06x = 1,077,334,287,312.79 - Step 5: Solve for x
x = 1,077,334,287,312.79/1,174,107.06 - Step 6: Final answer
x = 917,577.56
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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.