Finding the Fourth Proportional to 1,149,683.88, 1,586,612.70 and 640,386.48
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Solution
The fourth proportional to 1,149,683.88, 1,586,612.70 and 640,386.48 is: 883,760.61
Step by Step Solution
- Step 1: Write the proportion equation
1,149,683.88 : 1,586,612.70 = 640,386.48 : x - Step 2: Convert to fraction form
1,149,683.88/1,586,612.70 = 640,386.48/x - Step 3: Cross multiply
1,149,683.88x = 1,586,612.70 × 640,386.48 - Step 4: Simplify right side
1,149,683.88x = 1,016,045,322,076.30 - Step 5: Solve for x
x = 1,016,045,322,076.30/1,149,683.88 - Step 6: Final answer
x = 883,760.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.