Finding the Fourth Proportional to 1,258,507.39, 1,887,835.68 and 394,103.99
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Solution
The fourth proportional to 1,258,507.39, 1,887,835.68 and 394,103.99 is: 591,179.35
Step by Step Solution
- Step 1: Write the proportion equation
1,258,507.39 : 1,887,835.68 = 394,103.99 : x - Step 2: Convert to fraction form
1,258,507.39/1,887,835.68 = 394,103.99/x - Step 3: Cross multiply
1,258,507.39x = 1,887,835.68 × 394,103.99 - Step 4: Simplify right side
1,258,507.39x = 744,003,573,952.36 - Step 5: Solve for x
x = 744,003,573,952.36/1,258,507.39 - Step 6: Final answer
x = 591,179.35
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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.