Finding the Fourth Proportional to 1,263,012.24, 1,742,936.52 and 690,040.08
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Solution
The fourth proportional to 1,263,012.24, 1,742,936.52 and 690,040.08 is: 952,244.18
Step by Step Solution
- Step 1: Write the proportion equation
1,263,012.24 : 1,742,936.52 = 690,040.08 : x - Step 2: Convert to fraction form
1,263,012.24/1,742,936.52 = 690,040.08/x - Step 3: Cross multiply
1,263,012.24x = 1,742,936.52 × 690,040.08 - Step 4: Simplify right side
1,263,012.24x = 1,202,696,055,695.72 - Step 5: Solve for x
x = 1,202,696,055,695.72/1,263,012.24 - Step 6: Final answer
x = 952,244.18
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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.