Finding the Fourth Proportional to 1,326,256.26, 1,830,233.64 and 722,644.26
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Solution
The fourth proportional to 1,326,256.26, 1,830,233.64 and 722,644.26 is: 997,249.08
Step by Step Solution
- Step 1: Write the proportion equation
1,326,256.26 : 1,830,233.64 = 722,644.26 : x - Step 2: Convert to fraction form
1,326,256.26/1,830,233.64 = 722,644.26/x - Step 3: Cross multiply
1,326,256.26x = 1,830,233.64 × 722,644.26 - Step 4: Simplify right side
1,326,256.26x = 1,322,607,834,404.91 - Step 5: Solve for x
x = 1,322,607,834,404.91/1,326,256.26 - Step 6: Final answer
x = 997,249.08
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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.