Finding the Fourth Proportional to 1,149,397.74, 1,722,324.06 and 727,787.88
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Solution
The fourth proportional to 1,149,397.74, 1,722,324.06 and 727,787.88 is: 1,090,559.46
Step by Step Solution
- Step 1: Write the proportion equation
1,149,397.74 : 1,722,324.06 = 727,787.88 : x - Step 2: Convert to fraction form
1,149,397.74/1,722,324.06 = 727,787.88/x - Step 3: Cross multiply
1,149,397.74x = 1,722,324.06 × 727,787.88 - Step 4: Simplify right side
1,149,397.74x = 1,253,486,576,300.39 - Step 5: Solve for x
x = 1,253,486,576,300.39/1,149,397.74 - Step 6: Final answer
x = 1,090,559.46
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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.