Finding the Fourth Proportional to 1,445,970.09, 1,995,438.90 and 801,431.88
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Solution
The fourth proportional to 1,445,970.09, 1,995,438.90 and 801,431.88 is: 1,105,976.09
Step by Step Solution
- Step 1: Write the proportion equation
1,445,970.09 : 1,995,438.90 = 801,431.88 : x - Step 2: Convert to fraction form
1,445,970.09/1,995,438.90 = 801,431.88/x - Step 3: Cross multiply
1,445,970.09x = 1,995,438.90 × 801,431.88 - Step 4: Simplify right side
1,445,970.09x = 1,599,208,349,052.13 - Step 5: Solve for x
x = 1,599,208,349,052.13/1,445,970.09 - Step 6: Final answer
x = 1,105,976.09
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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.