Finding the Fourth Proportional to 1,307,408.76, 1,804,392.62 and 734,559.66
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Solution
The fourth proportional to 1,307,408.76, 1,804,392.62 and 734,559.66 is: 1,013,787.01
Step by Step Solution
- Step 1: Write the proportion equation
1,307,408.76 : 1,804,392.62 = 734,559.66 : x - Step 2: Convert to fraction form
1,307,408.76/1,804,392.62 = 734,559.66/x - Step 3: Cross multiply
1,307,408.76x = 1,804,392.62 × 734,559.66 - Step 4: Simplify right side
1,307,408.76x = 1,325,434,016,758.95 - Step 5: Solve for x
x = 1,325,434,016,758.95/1,307,408.76 - Step 6: Final answer
x = 1,013,787.01
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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.