Finding the Fourth Proportional to 1,056,112.44, 1,457,116.74 and 647,794.68
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Solution
The fourth proportional to 1,056,112.44, 1,457,116.74 and 647,794.68 is: 893,761.34
Step by Step Solution
- Step 1: Write the proportion equation
1,056,112.44 : 1,457,116.74 = 647,794.68 : x - Step 2: Convert to fraction form
1,056,112.44/1,457,116.74 = 647,794.68/x - Step 3: Cross multiply
1,056,112.44x = 1,457,116.74 × 647,794.68 - Step 4: Simplify right side
1,056,112.44x = 943,912,472,310.94 - Step 5: Solve for x
x = 943,912,472,310.94/1,056,112.44 - Step 6: Final answer
x = 893,761.34
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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.