Finding the Fourth Proportional to 1,049,721.13, 1,449,312.42 and 807,576.49
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Solution
The fourth proportional to 1,049,721.13, 1,449,312.42 and 807,576.49 is: 1,114,991.98
Step by Step Solution
- Step 1: Write the proportion equation
1,049,721.13 : 1,449,312.42 = 807,576.49 : x - Step 2: Convert to fraction form
1,049,721.13/1,449,312.42 = 807,576.49/x - Step 3: Cross multiply
1,049,721.13x = 1,449,312.42 × 807,576.49 - Step 4: Simplify right side
1,049,721.13x = 1,170,430,637,057.01 - Step 5: Solve for x
x = 1,170,430,637,057.01/1,049,721.13 - Step 6: Final answer
x = 1,114,991.98
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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.