Finding the Fourth Proportional to 1,328,778.31, 1,833,773.69 and 748,201.09
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Solution
The fourth proportional to 1,328,778.31, 1,833,773.69 and 748,201.09 is: 1,032,551.07
Step by Step Solution
- Step 1: Write the proportion equation
1,328,778.31 : 1,833,773.69 = 748,201.09 : x - Step 2: Convert to fraction form
1,328,778.31/1,833,773.69 = 748,201.09/x - Step 3: Cross multiply
1,328,778.31x = 1,833,773.69 × 748,201.09 - Step 4: Simplify right side
1,328,778.31x = 1,372,031,460,761.45 - Step 5: Solve for x
x = 1,372,031,460,761.45/1,328,778.31 - Step 6: Final answer
x = 1,032,551.07
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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.