Finding the Fourth Proportional to 1,275,087.81, 1,759,621.18 and 702,126.62
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Solution
The fourth proportional to 1,275,087.81, 1,759,621.18 and 702,126.62 is: 968,934.74
Step by Step Solution
- Step 1: Write the proportion equation
1,275,087.81 : 1,759,621.18 = 702,126.62 : x - Step 2: Convert to fraction form
1,275,087.81/1,759,621.18 = 702,126.62/x - Step 3: Cross multiply
1,275,087.81x = 1,759,621.18 × 702,126.62 - Step 4: Simplify right side
1,275,087.81x = 1,235,476,871,593.81 - Step 5: Solve for x
x = 1,235,476,871,593.81/1,275,087.81 - Step 6: Final answer
x = 968,934.74
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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.