Finding the Fourth Proportional to 1,212,578.06, 1,818,366.62 and 413,924
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Solution
The fourth proportional to 1,212,578.06, 1,818,366.62 and 413,924 is: 620,715.16
Step by Step Solution
- Step 1: Write the proportion equation
1,212,578.06 : 1,818,366.62 = 413,924 : x - Step 2: Convert to fraction form
1,212,578.06/1,818,366.62 = 413,924/x - Step 3: Cross multiply
1,212,578.06x = 1,818,366.62 × 413,924 - Step 4: Simplify right side
1,212,578.06x = 752,665,584,816.88 - Step 5: Solve for x
x = 752,665,584,816.88/1,212,578.06 - Step 6: Final answer
x = 620,715.16
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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.