Finding the Fourth Proportional to 1,350,142.74, 1,862,319.15 and 865,940.94
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Solution
The fourth proportional to 1,350,142.74, 1,862,319.15 and 865,940.94 is: 1,194,435.48
Step by Step Solution
- Step 1: Write the proportion equation
1,350,142.74 : 1,862,319.15 = 865,940.94 : x - Step 2: Convert to fraction form
1,350,142.74/1,862,319.15 = 865,940.94/x - Step 3: Cross multiply
1,350,142.74x = 1,862,319.15 × 865,940.94 - Step 4: Simplify right side
1,350,142.74x = 1,612,658,395,331.00 - Step 5: Solve for x
x = 1,612,658,395,331.00/1,350,142.74 - Step 6: Final answer
x = 1,194,435.48
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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.