Finding the Fourth Proportional to 1,298,135.97, 1,947,388.23 and 399,652.38
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Solution
The fourth proportional to 1,298,135.97, 1,947,388.23 and 399,652.38 is: 599,535.30
Step by Step Solution
- Step 1: Write the proportion equation
1,298,135.97 : 1,947,388.23 = 399,652.38 : x - Step 2: Convert to fraction form
1,298,135.97/1,947,388.23 = 399,652.38/x - Step 3: Cross multiply
1,298,135.97x = 1,947,388.23 × 399,652.38 - Step 4: Simplify right side
1,298,135.97x = 778,278,340,903.49 - Step 5: Solve for x
x = 778,278,340,903.49/1,298,135.97 - Step 6: Final answer
x = 599,535.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.