Finding the Fourth Proportional to 1,331,527.50, 1,998,712.80 and 573,742.94
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Solution
The fourth proportional to 1,331,527.50, 1,998,712.80 and 573,742.94 is: 861,226.94
Step by Step Solution
- Step 1: Write the proportion equation
1,331,527.50 : 1,998,712.80 = 573,742.94 : x - Step 2: Convert to fraction form
1,331,527.50/1,998,712.80 = 573,742.94/x - Step 3: Cross multiply
1,331,527.50x = 1,998,712.80 × 573,742.94 - Step 4: Simplify right side
1,331,527.50x = 1,146,747,348,094.07 - Step 5: Solve for x
x = 1,146,747,348,094.07/1,331,527.50 - Step 6: Final answer
x = 861,226.94
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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.