Finding the Fourth Proportional to 1,268,943.26, 1,898,966.84 and 909,510.26
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Solution
The fourth proportional to 1,268,943.26, 1,898,966.84 and 909,510.26 is: 1,361,077.28
Step by Step Solution
- Step 1: Write the proportion equation
1,268,943.26 : 1,898,966.84 = 909,510.26 : x - Step 2: Convert to fraction form
1,268,943.26/1,898,966.84 = 909,510.26/x - Step 3: Cross multiply
1,268,943.26x = 1,898,966.84 × 909,510.26 - Step 4: Simplify right side
1,268,943.26x = 1,727,129,831,400.97 - Step 5: Solve for x
x = 1,727,129,831,400.97/1,268,943.26 - Step 6: Final answer
x = 1,361,077.28
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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.