Finding the Fourth Proportional to 1,212,466.88, 1,673,299.68 and 668,652.32
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Solution
The fourth proportional to 1,212,466.88, 1,673,299.68 and 668,652.32 is: 922,792.80
Step by Step Solution
- Step 1: Write the proportion equation
1,212,466.88 : 1,673,299.68 = 668,652.32 : x - Step 2: Convert to fraction form
1,212,466.88/1,673,299.68 = 668,652.32/x - Step 3: Cross multiply
1,212,466.88x = 1,673,299.68 × 668,652.32 - Step 4: Simplify right side
1,212,466.88x = 1,118,855,713,087.26 - Step 5: Solve for x
x = 1,118,855,713,087.26/1,212,466.88 - Step 6: Final answer
x = 922,792.80
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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.