Finding the Fourth Proportional to 1,318,278.35, 1,819,207.74 and 774,463.71
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Solution
The fourth proportional to 1,318,278.35, 1,819,207.74 and 774,463.71 is: 1,068,750.30
Step by Step Solution
- Step 1: Write the proportion equation
1,318,278.35 : 1,819,207.74 = 774,463.71 : x - Step 2: Convert to fraction form
1,318,278.35/1,819,207.74 = 774,463.71/x - Step 3: Cross multiply
1,318,278.35x = 1,819,207.74 × 774,463.71 - Step 4: Simplify right side
1,318,278.35x = 1,408,910,371,708.80 - Step 5: Solve for x
x = 1,408,910,371,708.80/1,318,278.35 - Step 6: Final answer
x = 1,068,750.30
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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.