Finding the Fourth Proportional to 1,297,051.26, 1,948,529.28 and 938,328.60
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Solution
The fourth proportional to 1,297,051.26, 1,948,529.28 and 938,328.60 is: 1,409,628.75
Step by Step Solution
- Step 1: Write the proportion equation
1,297,051.26 : 1,948,529.28 = 938,328.60 : x - Step 2: Convert to fraction form
1,297,051.26/1,948,529.28 = 938,328.60/x - Step 3: Cross multiply
1,297,051.26x = 1,948,529.28 × 938,328.60 - Step 4: Simplify right side
1,297,051.26x = 1,828,360,751,361.41 - Step 5: Solve for x
x = 1,828,360,751,361.41/1,297,051.26 - Step 6: Final answer
x = 1,409,628.75
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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.