Finding the Fourth Proportional to 1,445,712.09, 1,995,094.50 and 801,143.05
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Solution
The fourth proportional to 1,445,712.09, 1,995,094.50 and 801,143.05 is: 1,105,583.95
Step by Step Solution
- Step 1: Write the proportion equation
1,445,712.09 : 1,995,094.50 = 801,143.05 : x - Step 2: Convert to fraction form
1,445,712.09/1,995,094.50 = 801,143.05/x - Step 3: Cross multiply
1,445,712.09x = 1,995,094.50 × 801,143.05 - Step 4: Simplify right side
1,445,712.09x = 1,598,356,078,787.04 - Step 5: Solve for x
x = 1,598,356,078,787.04/1,445,712.09 - Step 6: Final answer
x = 1,105,583.95
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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.