Finding the Fourth Proportional to 1,175,779.26, 1,622,628.74 and 692,364.78
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Solution
The fourth proportional to 1,175,779.26, 1,622,628.74 and 692,364.78 is: 955,494.82
Step by Step Solution
- Step 1: Write the proportion equation
1,175,779.26 : 1,622,628.74 = 692,364.78 : x - Step 2: Convert to fraction form
1,175,779.26/1,622,628.74 = 692,364.78/x - Step 3: Cross multiply
1,175,779.26x = 1,622,628.74 × 692,364.78 - Step 4: Simplify right side
1,175,779.26x = 1,123,450,987,129.95 - Step 5: Solve for x
x = 1,123,450,987,129.95/1,175,779.26 - Step 6: Final answer
x = 955,494.82
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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.