Finding the Fourth Proportional to 1,125,947.33, 1,689,435.66 and 612,843.81
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Solution
The fourth proportional to 1,125,947.33, 1,689,435.66 and 612,843.81 is: 919,545.84
Step by Step Solution
- Step 1: Write the proportion equation
1,125,947.33 : 1,689,435.66 = 612,843.81 : x - Step 2: Convert to fraction form
1,125,947.33/1,689,435.66 = 612,843.81/x - Step 3: Cross multiply
1,125,947.33x = 1,689,435.66 × 612,843.81 - Step 4: Simplify right side
1,125,947.33x = 1,035,360,190,661.48 - Step 5: Solve for x
x = 1,035,360,190,661.48/1,125,947.33 - Step 6: Final answer
x = 919,545.84
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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.