Finding the Fourth Proportional to 1,350,215.99, 1,863,330.42 and 769,426.70
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Solution
The fourth proportional to 1,350,215.99, 1,863,330.42 and 769,426.70 is: 1,061,827.29
Step by Step Solution
- Step 1: Write the proportion equation
1,350,215.99 : 1,863,330.42 = 769,426.70 : x - Step 2: Convert to fraction form
1,350,215.99/1,863,330.42 = 769,426.70/x - Step 3: Cross multiply
1,350,215.99x = 1,863,330.42 × 769,426.70 - Step 4: Simplify right side
1,350,215.99x = 1,433,696,183,196.75 - Step 5: Solve for x
x = 1,433,696,183,196.75/1,350,215.99 - Step 6: Final answer
x = 1,061,827.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.