Finding the Fourth Proportional to 1,442,652.64, 2,164,476.30 and 644,485.12
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Solution
The fourth proportional to 1,442,652.64, 2,164,476.30 and 644,485.12 is: 966,949.86
Step by Step Solution
- Step 1: Write the proportion equation
1,442,652.64 : 2,164,476.30 = 644,485.12 : x - Step 2: Convert to fraction form
1,442,652.64/2,164,476.30 = 644,485.12/x - Step 3: Cross multiply
1,442,652.64x = 2,164,476.30 × 644,485.12 - Step 4: Simplify right side
1,442,652.64x = 1,394,972,767,942.66 - Step 5: Solve for x
x = 1,394,972,767,942.66/1,442,652.64 - Step 6: Final answer
x = 966,949.86
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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.