Finding the Fourth Proportional to 1,445,977.20, 1,995,448.68 and 801,438.96
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Solution
The fourth proportional to 1,445,977.20, 1,995,448.68 and 801,438.96 is: 1,105,985.84
Step by Step Solution
- Step 1: Write the proportion equation
1,445,977.20 : 1,995,448.68 = 801,438.96 : x - Step 2: Convert to fraction form
1,445,977.20/1,995,448.68 = 801,438.96/x - Step 3: Cross multiply
1,445,977.20x = 1,995,448.68 × 801,438.96 - Step 4: Simplify right side
1,445,977.20x = 1,599,230,314,832.57 - Step 5: Solve for x
x = 1,599,230,314,832.57/1,445,977.20 - Step 6: Final answer
x = 1,105,985.84
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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.