Finding the Fourth Proportional to 1,324,097.40, 1,984,763.70 and 724,135.80
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Solution
The fourth proportional to 1,324,097.40, 1,984,763.70 and 724,135.80 is: 1,085,447.68
Step by Step Solution
- Step 1: Write the proportion equation
1,324,097.40 : 1,984,763.70 = 724,135.80 : x - Step 2: Convert to fraction form
1,324,097.40/1,984,763.70 = 724,135.80/x - Step 3: Cross multiply
1,324,097.40x = 1,984,763.70 × 724,135.80 - Step 4: Simplify right side
1,324,097.40x = 1,437,238,449,710.46 - Step 5: Solve for x
x = 1,437,238,449,710.46/1,324,097.40 - Step 6: Final answer
x = 1,085,447.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.