Finding the Fourth Proportional to 1,313,207.60, 1,969,811.40 and 683,351.60
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Solution
The fourth proportional to 1,313,207.60, 1,969,811.40 and 683,351.60 is: 1,025,027.40
Step by Step Solution
- Step 1: Write the proportion equation
1,313,207.60 : 1,969,811.40 = 683,351.60 : x - Step 2: Convert to fraction form
1,313,207.60/1,969,811.40 = 683,351.60/x - Step 3: Cross multiply
1,313,207.60x = 1,969,811.40 × 683,351.60 - Step 4: Simplify right side
1,313,207.60x = 1,346,073,771,888.24 - Step 5: Solve for x
x = 1,346,073,771,888.24/1,313,207.60 - Step 6: Final answer
x = 1,025,027.40
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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.