Finding the Fourth Proportional to 1,370,588.57, 1,891,350.90 and 758,698.09
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Solution
The fourth proportional to 1,370,588.57, 1,891,350.90 and 758,698.09 is: 1,046,969.42
Step by Step Solution
- Step 1: Write the proportion equation
1,370,588.57 : 1,891,350.90 = 758,698.09 : x - Step 2: Convert to fraction form
1,370,588.57/1,891,350.90 = 758,698.09/x - Step 3: Cross multiply
1,370,588.57x = 1,891,350.90 × 758,698.09 - Step 4: Simplify right side
1,370,588.57x = 1,434,964,315,414.95 - Step 5: Solve for x
x = 1,434,964,315,414.95/1,370,588.57 - Step 6: Final answer
x = 1,046,969.42
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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.