Finding the Fourth Proportional to 1,295,460.44, 1,787,738.58 and 722,537.72
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Solution
The fourth proportional to 1,295,460.44, 1,787,738.58 and 722,537.72 is: 997,103.82
Step by Step Solution
- Step 1: Write the proportion equation
1,295,460.44 : 1,787,738.58 = 722,537.72 : x - Step 2: Convert to fraction form
1,295,460.44/1,787,738.58 = 722,537.72/x - Step 3: Cross multiply
1,295,460.44x = 1,787,738.58 × 722,537.72 - Step 4: Simplify right side
1,295,460.44x = 1,291,708,557,549.24 - Step 5: Solve for x
x = 1,291,708,557,549.24/1,295,460.44 - Step 6: Final answer
x = 997,103.82
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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.