Finding the Fourth Proportional to 1,027,890.69, 1,542,361.32 and 686,566.82
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Solution
The fourth proportional to 1,027,890.69, 1,542,361.32 and 686,566.82 is: 1,030,201.09
Step by Step Solution
- Step 1: Write the proportion equation
1,027,890.69 : 1,542,361.32 = 686,566.82 : x - Step 2: Convert to fraction form
1,027,890.69/1,542,361.32 = 686,566.82/x - Step 3: Cross multiply
1,027,890.69x = 1,542,361.32 × 686,566.82 - Step 4: Simplify right side
1,027,890.69x = 1,058,934,106,763.40 - Step 5: Solve for x
x = 1,058,934,106,763.40/1,027,890.69 - Step 6: Final answer
x = 1,030,201.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.