Finding the Fourth Proportional to 1,077,395.58, 1,486,940.49 and 618,653.70
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Solution
The fourth proportional to 1,077,395.58, 1,486,940.49 and 618,653.70 is: 853,819.39
Step by Step Solution
- Step 1: Write the proportion equation
1,077,395.58 : 1,486,940.49 = 618,653.70 : x - Step 2: Convert to fraction form
1,077,395.58/1,486,940.49 = 618,653.70/x - Step 3: Cross multiply
1,077,395.58x = 1,486,940.49 × 618,653.70 - Step 4: Simplify right side
1,077,395.58x = 919,901,235,818.31 - Step 5: Solve for x
x = 919,901,235,818.31/1,077,395.58 - Step 6: Final answer
x = 853,819.39
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.