Finding the Fourth Proportional to 1,206,219.74, 1,664,612.16 and 654,958.68
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Solution
The fourth proportional to 1,206,219.74, 1,664,612.16 and 654,958.68 is: 903,858.68
Step by Step Solution
- Step 1: Write the proportion equation
1,206,219.74 : 1,664,612.16 = 654,958.68 : x - Step 2: Convert to fraction form
1,206,219.74/1,664,612.16 = 654,958.68/x - Step 3: Cross multiply
1,206,219.74x = 1,664,612.16 × 654,958.68 - Step 4: Simplify right side
1,206,219.74x = 1,090,252,183,025.55 - Step 5: Solve for x
x = 1,090,252,183,025.55/1,206,219.74 - Step 6: Final answer
x = 903,858.68
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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.