Finding the Fourth Proportional to 1,283,428.80, 1,770,575.76 and 773,848.08
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Solution
The fourth proportional to 1,283,428.80, 1,770,575.76 and 773,848.08 is: 1,067,575.12
Step by Step Solution
- Step 1: Write the proportion equation
1,283,428.80 : 1,770,575.76 = 773,848.08 : x - Step 2: Convert to fraction form
1,283,428.80/1,770,575.76 = 773,848.08/x - Step 3: Cross multiply
1,283,428.80x = 1,770,575.76 × 773,848.08 - Step 4: Simplify right side
1,283,428.80x = 1,370,156,652,370.54 - Step 5: Solve for x
x = 1,370,156,652,370.54/1,283,428.80 - Step 6: Final answer
x = 1,067,575.12
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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.