Finding the Fourth Proportional to 1,332,266.07, 1,998,731.99 and 385,636.79
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Solution
The fourth proportional to 1,332,266.07, 1,998,731.99 and 385,636.79 is: 578,551.54
Step by Step Solution
- Step 1: Write the proportion equation
1,332,266.07 : 1,998,731.99 = 385,636.79 : x - Step 2: Convert to fraction form
1,332,266.07/1,998,731.99 = 385,636.79/x - Step 3: Cross multiply
1,332,266.07x = 1,998,731.99 × 385,636.79 - Step 4: Simplify right side
1,332,266.07x = 770,784,580,058.97 - Step 5: Solve for x
x = 770,784,580,058.97/1,332,266.07 - Step 6: Final answer
x = 578,551.54
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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.