Finding the Fourth Proportional to 1,268,321.46, 1,902,774.99 and 426,852.66
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Solution
The fourth proportional to 1,268,321.46, 1,902,774.99 and 426,852.66 is: 640,377.53
Step by Step Solution
- Step 1: Write the proportion equation
1,268,321.46 : 1,902,774.99 = 426,852.66 : x - Step 2: Convert to fraction form
1,268,321.46/1,902,774.99 = 426,852.66/x - Step 3: Cross multiply
1,268,321.46x = 1,902,774.99 × 426,852.66 - Step 4: Simplify right side
1,268,321.46x = 812,204,565,862.97 - Step 5: Solve for x
x = 812,204,565,862.97/1,268,321.46 - Step 6: Final answer
x = 640,377.53
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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.