Finding the Fourth Proportional to 1,201,105.98, 1,657,453.32 and 684,787.68
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Solution
The fourth proportional to 1,201,105.98, 1,657,453.32 and 684,787.68 is: 944,965.42
Step by Step Solution
- Step 1: Write the proportion equation
1,201,105.98 : 1,657,453.32 = 684,787.68 : x - Step 2: Convert to fraction form
1,201,105.98/1,657,453.32 = 684,787.68/x - Step 3: Cross multiply
1,201,105.98x = 1,657,453.32 × 684,787.68 - Step 4: Simplify right side
1,201,105.98x = 1,135,003,613,711.10 - Step 5: Solve for x
x = 1,135,003,613,711.10/1,201,105.98 - Step 6: Final answer
x = 944,965.42
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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.