Finding the Fourth Proportional to 1,418,806.68, 1,957,937.09 and 774,237.84
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Solution
The fourth proportional to 1,418,806.68, 1,957,937.09 and 774,237.84 is: 1,068,439.42
Step by Step Solution
- Step 1: Write the proportion equation
1,418,806.68 : 1,957,937.09 = 774,237.84 : x - Step 2: Convert to fraction form
1,418,806.68/1,957,937.09 = 774,237.84/x - Step 3: Cross multiply
1,418,806.68x = 1,957,937.09 × 774,237.84 - Step 4: Simplify right side
1,418,806.68x = 1,515,908,983,417.49 - Step 5: Solve for x
x = 1,515,908,983,417.49/1,418,806.68 - Step 6: Final answer
x = 1,068,439.42
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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.