Finding the Fourth Proportional to 1,283,486.18, 1,770,654.80 and 773,905.46
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Solution
The fourth proportional to 1,283,486.18, 1,770,654.80 and 773,905.46 is: 1,067,654.20
Step by Step Solution
- Step 1: Write the proportion equation
1,283,486.18 : 1,770,654.80 = 773,905.46 : x - Step 2: Convert to fraction form
1,283,486.18/1,770,654.80 = 773,905.46/x - Step 3: Cross multiply
1,283,486.18x = 1,770,654.80 × 773,905.46 - Step 4: Simplify right side
1,283,486.18x = 1,370,319,408,641.93 - Step 5: Solve for x
x = 1,370,319,408,641.93/1,283,486.18 - Step 6: Final answer
x = 1,067,654.20
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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.