Finding the Fourth Proportional to 1,186,036.76, 1,779,058.74 and 287,474.96
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Solution
The fourth proportional to 1,186,036.76, 1,779,058.74 and 287,474.96 is: 431,213.31
Step by Step Solution
- Step 1: Write the proportion equation
1,186,036.76 : 1,779,058.74 = 287,474.96 : x - Step 2: Convert to fraction form
1,186,036.76/1,779,058.74 = 287,474.96/x - Step 3: Cross multiply
1,186,036.76x = 1,779,058.74 × 287,474.96 - Step 4: Simplify right side
1,186,036.76x = 511,434,840,119.15 - Step 5: Solve for x
x = 511,434,840,119.15/1,186,036.76 - Step 6: Final answer
x = 431,213.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.