Finding the Fourth Proportional to 1,121,211.06, 1,682,061.84 and 363,129.13
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Solution
The fourth proportional to 1,121,211.06, 1,682,061.84 and 363,129.13 is: 544,773.12
Step by Step Solution
- Step 1: Write the proportion equation
1,121,211.06 : 1,682,061.84 = 363,129.13 : x - Step 2: Convert to fraction form
1,121,211.06/1,682,061.84 = 363,129.13/x - Step 3: Cross multiply
1,121,211.06x = 1,682,061.84 × 363,129.13 - Step 4: Simplify right side
1,121,211.06x = 610,805,652,565.40 - Step 5: Solve for x
x = 610,805,652,565.40/1,121,211.06 - Step 6: Final answer
x = 544,773.12
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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.