Finding the Fourth Proportional to 1,105,122.51, 1,657,683.84 and 306,404.07
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Solution
The fourth proportional to 1,105,122.51, 1,657,683.84 and 306,404.07 is: 459,606.12
Step by Step Solution
- Step 1: Write the proportion equation
1,105,122.51 : 1,657,683.84 = 306,404.07 : x - Step 2: Convert to fraction form
1,105,122.51/1,657,683.84 = 306,404.07/x - Step 3: Cross multiply
1,105,122.51x = 1,657,683.84 × 306,404.07 - Step 4: Simplify right side
1,105,122.51x = 507,921,073,817.21 - Step 5: Solve for x
x = 507,921,073,817.21/1,105,122.51 - Step 6: Final answer
x = 459,606.12
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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.