Finding the Fourth Proportional to 1,198,470.63, 1,651,750.68 and 907,384.75
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Solution
The fourth proportional to 1,198,470.63, 1,651,750.68 and 907,384.75 is: 1,250,571.63
Step by Step Solution
- Step 1: Write the proportion equation
1,198,470.63 : 1,651,750.68 = 907,384.75 : x - Step 2: Convert to fraction form
1,198,470.63/1,651,750.68 = 907,384.75/x - Step 3: Cross multiply
1,198,470.63x = 1,651,750.68 × 907,384.75 - Step 4: Simplify right side
1,198,470.63x = 1,498,773,377,107.45 - Step 5: Solve for x
x = 1,498,773,377,107.45/1,198,470.63 - Step 6: Final answer
x = 1,250,571.63
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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.