Finding the Fourth Proportional to 1,331,769.08, 1,997,672.08 and 433,215.54
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Solution
The fourth proportional to 1,331,769.08, 1,997,672.08 and 433,215.54 is: 649,829.31
Step by Step Solution
- Step 1: Write the proportion equation
1,331,769.08 : 1,997,672.08 = 433,215.54 : x - Step 2: Convert to fraction form
1,331,769.08/1,997,672.08 = 433,215.54/x - Step 3: Cross multiply
1,331,769.08x = 1,997,672.08 × 433,215.54 - Step 4: Simplify right side
1,331,769.08x = 865,422,588,880.12 - Step 5: Solve for x
x = 865,422,588,880.12/1,331,769.08 - Step 6: Final answer
x = 649,829.31
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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.