Finding the Fourth Proportional to 1,578,040.20, 2,364,338.70 and 734,862.60
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Solution
The fourth proportional to 1,578,040.20, 2,364,338.70 and 734,862.60 is: 1,101,026.50
Step by Step Solution
- Step 1: Write the proportion equation
1,578,040.20 : 2,364,338.70 = 734,862.60 : x - Step 2: Convert to fraction form
1,578,040.20/2,364,338.70 = 734,862.60/x - Step 3: Cross multiply
1,578,040.20x = 2,364,338.70 × 734,862.60 - Step 4: Simplify right side
1,578,040.20x = 1,737,464,084,362.62 - Step 5: Solve for x
x = 1,737,464,084,362.62/1,578,040.20 - Step 6: Final answer
x = 1,101,026.50
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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.