Finding the Fourth Proportional to 1,252,838.24, 1,728,917.90 and 679,878.41
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Solution
The fourth proportional to 1,252,838.24, 1,728,917.90 and 679,878.41 is: 938,232.82
Step by Step Solution
- Step 1: Write the proportion equation
1,252,838.24 : 1,728,917.90 = 679,878.41 : x - Step 2: Convert to fraction form
1,252,838.24/1,728,917.90 = 679,878.41/x - Step 3: Cross multiply
1,252,838.24x = 1,728,917.90 × 679,878.41 - Step 4: Simplify right side
1,252,838.24x = 1,175,453,949,473.15 - Step 5: Solve for x
x = 1,175,453,949,473.15/1,252,838.24 - Step 6: Final answer
x = 938,232.82
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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.