Finding the Fourth Proportional to 1,280,733.03, 1,767,448.15 and 699,988.41
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Solution
The fourth proportional to 1,280,733.03, 1,767,448.15 and 699,988.41 is: 966,003.99
Step by Step Solution
- Step 1: Write the proportion equation
1,280,733.03 : 1,767,448.15 = 699,988.41 : x - Step 2: Convert to fraction form
1,280,733.03/1,767,448.15 = 699,988.41/x - Step 3: Cross multiply
1,280,733.03x = 1,767,448.15 × 699,988.41 - Step 4: Simplify right side
1,280,733.03x = 1,237,193,218,525.97 - Step 5: Solve for x
x = 1,237,193,218,525.97/1,280,733.03 - Step 6: Final answer
x = 966,003.99
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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.