Finding the Fourth Proportional to 1,387,625.08, 2,081,580.36 and 523,787.63
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Solution
The fourth proportional to 1,387,625.08, 2,081,580.36 and 523,787.63 is: 785,735.33
Step by Step Solution
- Step 1: Write the proportion equation
1,387,625.08 : 2,081,580.36 = 523,787.63 : x - Step 2: Convert to fraction form
1,387,625.08/2,081,580.36 = 523,787.63/x - Step 3: Cross multiply
1,387,625.08x = 2,081,580.36 × 523,787.63 - Step 4: Simplify right side
1,387,625.08x = 1,090,306,043,418.95 - Step 5: Solve for x
x = 1,090,306,043,418.95/1,387,625.08 - Step 6: Final answer
x = 785,735.33
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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.