Finding the Fourth Proportional to 1,263,292.58, 1,743,366.57 and 690,356.90
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Solution
The fourth proportional to 1,263,292.58, 1,743,366.57 and 690,356.90 is: 952,704.99
Step by Step Solution
- Step 1: Write the proportion equation
1,263,292.58 : 1,743,366.57 = 690,356.90 : x - Step 2: Convert to fraction form
1,263,292.58/1,743,366.57 = 690,356.90/x - Step 3: Cross multiply
1,263,292.58x = 1,743,366.57 × 690,356.90 - Step 4: Simplify right side
1,263,292.58x = 1,203,545,140,828.83 - Step 5: Solve for x
x = 1,203,545,140,828.83/1,263,292.58 - Step 6: Final answer
x = 952,704.99
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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.