Finding the Fourth Proportional to 1,072,641.96, 1,480,255.44 and 589,216.92
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Solution
The fourth proportional to 1,072,641.96, 1,480,255.44 and 589,216.92 is: 813,124.59
Step by Step Solution
- Step 1: Write the proportion equation
1,072,641.96 : 1,480,255.44 = 589,216.92 : x - Step 2: Convert to fraction form
1,072,641.96/1,480,255.44 = 589,216.92/x - Step 3: Cross multiply
1,072,641.96x = 1,480,255.44 × 589,216.92 - Step 4: Simplify right side
1,072,641.96x = 872,191,551,170.05 - Step 5: Solve for x
x = 872,191,551,170.05/1,072,641.96 - Step 6: Final answer
x = 813,124.59
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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.