Finding the Fourth Proportional to 1,036,701.68, 1,555,052.52 and 438,338.48
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Solution
The fourth proportional to 1,036,701.68, 1,555,052.52 and 438,338.48 is: 657,507.72
Step by Step Solution
- Step 1: Write the proportion equation
1,036,701.68 : 1,555,052.52 = 438,338.48 : x - Step 2: Convert to fraction form
1,036,701.68/1,555,052.52 = 438,338.48/x - Step 3: Cross multiply
1,036,701.68x = 1,555,052.52 × 438,338.48 - Step 4: Simplify right side
1,036,701.68x = 681,639,350,161.71 - Step 5: Solve for x
x = 681,639,350,161.71/1,036,701.68 - Step 6: Final answer
x = 657,507.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.