Finding the Fourth Proportional to 1,381,297.29, 2,070,374.76 and 840,361.16
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Solution
The fourth proportional to 1,381,297.29, 2,070,374.76 and 840,361.16 is: 1,259,585.86
Step by Step Solution
- Step 1: Write the proportion equation
1,381,297.29 : 2,070,374.76 = 840,361.16 : x - Step 2: Convert to fraction form
1,381,297.29/2,070,374.76 = 840,361.16/x - Step 3: Cross multiply
1,381,297.29x = 2,070,374.76 × 840,361.16 - Step 4: Simplify right side
1,381,297.29x = 1,739,862,534,948.32 - Step 5: Solve for x
x = 1,739,862,534,948.32/1,381,297.29 - Step 6: Final answer
x = 1,259,585.86
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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.