Finding the Fourth Proportional to 1,375,573.66, 1,898,340.49 and 763,736.05
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Solution
The fourth proportional to 1,375,573.66, 1,898,340.49 and 763,736.05 is: 1,053,982.87
Step by Step Solution
- Step 1: Write the proportion equation
1,375,573.66 : 1,898,340.49 = 763,736.05 : x - Step 2: Convert to fraction form
1,375,573.66/1,898,340.49 = 763,736.05/x - Step 3: Cross multiply
1,375,573.66x = 1,898,340.49 × 763,736.05 - Step 4: Simplify right side
1,375,573.66x = 1,449,831,070,715.26 - Step 5: Solve for x
x = 1,449,831,070,715.26/1,375,573.66 - Step 6: Final answer
x = 1,053,982.87
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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.