Finding the Fourth Proportional to 1,394,508.36, 1,924,340.60 and 782,603.96
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Solution
The fourth proportional to 1,394,508.36, 1,924,340.60 and 782,603.96 is: 1,079,948.04
Step by Step Solution
- Step 1: Write the proportion equation
1,394,508.36 : 1,924,340.60 = 782,603.96 : x - Step 2: Convert to fraction form
1,394,508.36/1,924,340.60 = 782,603.96/x - Step 3: Cross multiply
1,394,508.36x = 1,924,340.60 × 782,603.96 - Step 4: Simplify right side
1,394,508.36x = 1,505,996,573,948.78 - Step 5: Solve for x
x = 1,505,996,573,948.78/1,394,508.36 - Step 6: Final answer
x = 1,079,948.04
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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.