Finding the Fourth Proportional to 1,292,281.24, 1,783,358.24 and 782,629.24
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Solution
The fourth proportional to 1,292,281.24, 1,783,358.24 and 782,629.24 is: 1,080,034.49
Step by Step Solution
- Step 1: Write the proportion equation
1,292,281.24 : 1,783,358.24 = 782,629.24 : x - Step 2: Convert to fraction form
1,292,281.24/1,783,358.24 = 782,629.24/x - Step 3: Cross multiply
1,292,281.24x = 1,783,358.24 × 782,629.24 - Step 4: Simplify right side
1,292,281.24x = 1,395,708,304,018.94 - Step 5: Solve for x
x = 1,395,708,304,018.94/1,292,281.24 - Step 6: Final answer
x = 1,080,034.49
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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.