Finding the Fourth Proportional to 1,135,340.64, 1,566,736.56 and 626,042.88
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Solution
The fourth proportional to 1,135,340.64, 1,566,736.56 and 626,042.88 is: 863,920.69
Step by Step Solution
- Step 1: Write the proportion equation
1,135,340.64 : 1,566,736.56 = 626,042.88 : x - Step 2: Convert to fraction form
1,135,340.64/1,566,736.56 = 626,042.88/x - Step 3: Cross multiply
1,135,340.64x = 1,566,736.56 × 626,042.88 - Step 4: Simplify right side
1,135,340.64x = 980,844,268,223.69 - Step 5: Solve for x
x = 980,844,268,223.69/1,135,340.64 - Step 6: Final answer
x = 863,920.69
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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.