Finding the Fourth Proportional to 1,249,869.99, 1,874,902.19 and 408,506.79
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Solution
The fourth proportional to 1,249,869.99, 1,874,902.19 and 408,506.79 is: 612,791.96
Step by Step Solution
- Step 1: Write the proportion equation
1,249,869.99 : 1,874,902.19 = 408,506.79 : x - Step 2: Convert to fraction form
1,249,869.99/1,874,902.19 = 408,506.79/x - Step 3: Cross multiply
1,249,869.99x = 1,874,902.19 × 408,506.79 - Step 4: Simplify right side
1,249,869.99x = 765,910,275,200.87 - Step 5: Solve for x
x = 765,910,275,200.87/1,249,869.99 - Step 6: Final answer
x = 612,791.96
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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.