Finding the Fourth Proportional to 1,269,845.84, 1,751,888.43 and 725,689.71
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Solution
The fourth proportional to 1,269,845.84, 1,751,888.43 and 725,689.71 is: 1,001,166.72
Step by Step Solution
- Step 1: Write the proportion equation
1,269,845.84 : 1,751,888.43 = 725,689.71 : x - Step 2: Convert to fraction form
1,269,845.84/1,751,888.43 = 725,689.71/x - Step 3: Cross multiply
1,269,845.84x = 1,751,888.43 × 725,689.71 - Step 4: Simplify right side
1,269,845.84x = 1,271,327,394,331.16 - Step 5: Solve for x
x = 1,271,327,394,331.16/1,269,845.84 - Step 6: Final answer
x = 1,001,166.72
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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.