Finding the Fourth Proportional to 1,350,549.60, 1,863,919.26 and 777,701.40
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Solution
The fourth proportional to 1,350,549.60, 1,863,919.26 and 777,701.40 is: 1,073,320.53
Step by Step Solution
- Step 1: Write the proportion equation
1,350,549.60 : 1,863,919.26 = 777,701.40 : x - Step 2: Convert to fraction form
1,350,549.60/1,863,919.26 = 777,701.40/x - Step 3: Cross multiply
1,350,549.60x = 1,863,919.26 × 777,701.40 - Step 4: Simplify right side
1,350,549.60x = 1,449,572,617,988.96 - Step 5: Solve for x
x = 1,449,572,617,988.96/1,350,549.60 - Step 6: Final answer
x = 1,073,320.53
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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.