Finding the Fourth Proportional to 1,002,670.44, 1,383,994.98 and 644,974.44
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Solution
The fourth proportional to 1,002,670.44, 1,383,994.98 and 644,974.44 is: 890,263.99
Step by Step Solution
- Step 1: Write the proportion equation
1,002,670.44 : 1,383,994.98 = 644,974.44 : x - Step 2: Convert to fraction form
1,002,670.44/1,383,994.98 = 644,974.44/x - Step 3: Cross multiply
1,002,670.44x = 1,383,994.98 × 644,974.44 - Step 4: Simplify right side
1,002,670.44x = 892,641,387,188.31 - Step 5: Solve for x
x = 892,641,387,188.31/1,002,670.44 - Step 6: Final answer
x = 890,263.99
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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.