Finding the Fourth Proportional to 1,072,828.48, 1,480,528.08 and 589,423.84
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Solution
The fourth proportional to 1,072,828.48, 1,480,528.08 and 589,423.84 is: 813,418.51
Step by Step Solution
- Step 1: Write the proportion equation
1,072,828.48 : 1,480,528.08 = 589,423.84 : x - Step 2: Convert to fraction form
1,072,828.48/1,480,528.08 = 589,423.84/x - Step 3: Cross multiply
1,072,828.48x = 1,480,528.08 × 589,423.84 - Step 4: Simplify right side
1,072,828.48x = 872,658,546,141.43 - Step 5: Solve for x
x = 872,658,546,141.43/1,072,828.48 - Step 6: Final answer
x = 813,418.51
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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.