Finding the Fourth Proportional to 1,431,174.07, 1,975,024.53 and 786,660.31
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Solution
The fourth proportional to 1,431,174.07, 1,975,024.53 and 786,660.31 is: 1,085,593.60
Step by Step Solution
- Step 1: Write the proportion equation
1,431,174.07 : 1,975,024.53 = 786,660.31 : x - Step 2: Convert to fraction form
1,431,174.07/1,975,024.53 = 786,660.31/x - Step 3: Cross multiply
1,431,174.07x = 1,975,024.53 × 786,660.31 - Step 4: Simplify right side
1,431,174.07x = 1,553,673,409,027.40 - Step 5: Solve for x
x = 1,553,673,409,027.40/1,431,174.07 - Step 6: Final answer
x = 1,085,593.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.