Finding the Fourth Proportional to 1,425,227.76, 1,966,267.08 and 813,414.48
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Solution
The fourth proportional to 1,425,227.76, 1,966,267.08 and 813,414.48 is: 1,122,199.66
Step by Step Solution
- Step 1: Write the proportion equation
1,425,227.76 : 1,966,267.08 = 813,414.48 : x - Step 2: Convert to fraction form
1,425,227.76/1,966,267.08 = 813,414.48/x - Step 3: Cross multiply
1,425,227.76x = 1,966,267.08 × 813,414.48 - Step 4: Simplify right side
1,425,227.76x = 1,599,390,114,419.32 - Step 5: Solve for x
x = 1,599,390,114,419.32/1,425,227.76 - Step 6: Final answer
x = 1,122,199.66
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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.