Finding the Fourth Proportional to 1,269,886.88, 1,752,438.80 and 696,936.48
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Solution
The fourth proportional to 1,269,886.88, 1,752,438.80 and 696,936.48 is: 961,769.55
Step by Step Solution
- Step 1: Write the proportion equation
1,269,886.88 : 1,752,438.80 = 696,936.48 : x - Step 2: Convert to fraction form
1,269,886.88/1,752,438.80 = 696,936.48/x - Step 3: Cross multiply
1,269,886.88x = 1,752,438.80 × 696,936.48 - Step 4: Simplify right side
1,269,886.88x = 1,221,338,528,687.42 - Step 5: Solve for x
x = 1,221,338,528,687.42/1,269,886.88 - Step 6: Final answer
x = 961,769.55
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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.