Finding the Fourth Proportional to 1,281,638.08, 1,922,588.56 and 483,591.12
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Solution
The fourth proportional to 1,281,638.08, 1,922,588.56 and 483,591.12 is: 725,436.28
Step by Step Solution
- Step 1: Write the proportion equation
1,281,638.08 : 1,922,588.56 = 483,591.12 : x - Step 2: Convert to fraction form
1,281,638.08/1,922,588.56 = 483,591.12/x - Step 3: Cross multiply
1,281,638.08x = 1,922,588.56 × 483,591.12 - Step 4: Simplify right side
1,281,638.08x = 929,746,755,029.59 - Step 5: Solve for x
x = 929,746,755,029.59/1,281,638.08 - Step 6: Final answer
x = 725,436.28
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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.