Finding the Fourth Proportional to 1,418,865.10, 1,958,097.63 and 798,883.76
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Solution
The fourth proportional to 1,418,865.10, 1,958,097.63 and 798,883.76 is: 1,102,495.50
Step by Step Solution
- Step 1: Write the proportion equation
1,418,865.10 : 1,958,097.63 = 798,883.76 : x - Step 2: Convert to fraction form
1,418,865.10/1,958,097.63 = 798,883.76/x - Step 3: Cross multiply
1,418,865.10x = 1,958,097.63 × 798,883.76 - Step 4: Simplify right side
1,418,865.10x = 1,564,292,383,316.58 - Step 5: Solve for x
x = 1,564,292,383,316.58/1,418,865.10 - Step 6: Final answer
x = 1,102,495.50
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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.