Finding the Fourth Proportional to 1,350,259.80, 1,863,534.78 and 777,324.12
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Solution
The fourth proportional to 1,350,259.80, 1,863,534.78 and 777,324.12 is: 1,072,808.75
Step by Step Solution
- Step 1: Write the proportion equation
1,350,259.80 : 1,863,534.78 = 777,324.12 : x - Step 2: Convert to fraction form
1,350,259.80/1,863,534.78 = 777,324.12/x - Step 3: Cross multiply
1,350,259.80x = 1,863,534.78 × 777,324.12 - Step 4: Simplify right side
1,350,259.80x = 1,448,570,532,952.89 - Step 5: Solve for x
x = 1,448,570,532,952.89/1,350,259.80 - Step 6: Final answer
x = 1,072,808.75
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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.