Finding the Fourth Proportional to 1,326,258.07, 1,830,236.12 and 722,646.07
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Solution
The fourth proportional to 1,326,258.07, 1,830,236.12 and 722,646.07 is: 997,251.57
Step by Step Solution
- Step 1: Write the proportion equation
1,326,258.07 : 1,830,236.12 = 722,646.07 : x - Step 2: Convert to fraction form
1,326,258.07/1,830,236.12 = 722,646.07/x - Step 3: Cross multiply
1,326,258.07x = 1,830,236.12 × 722,646.07 - Step 4: Simplify right side
1,326,258.07x = 1,322,612,939,290.05 - Step 5: Solve for x
x = 1,322,612,939,290.05/1,326,258.07 - Step 6: Final answer
x = 997,251.57
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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.