Finding the Fourth Proportional to 1,275,194.13, 1,759,768.10 and 702,232.93
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Solution
The fourth proportional to 1,275,194.13, 1,759,768.10 and 702,232.93 is: 969,081.55
Step by Step Solution
- Step 1: Write the proportion equation
1,275,194.13 : 1,759,768.10 = 702,232.93 : x - Step 2: Convert to fraction form
1,275,194.13/1,759,768.10 = 702,232.93/x - Step 3: Cross multiply
1,275,194.13x = 1,759,768.10 × 702,232.93 - Step 4: Simplify right side
1,275,194.13x = 1,235,767,108,983.53 - Step 5: Solve for x
x = 1,235,767,108,983.53/1,275,194.13 - Step 6: Final answer
x = 969,081.55
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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.