Finding the Fourth Proportional to 1,445,690.99, 1,995,065.28 and 801,121.95
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Solution
The fourth proportional to 1,445,690.99, 1,995,065.28 and 801,121.95 is: 1,105,554.79
Step by Step Solution
- Step 1: Write the proportion equation
1,445,690.99 : 1,995,065.28 = 801,121.95 : x - Step 2: Convert to fraction form
1,445,690.99/1,995,065.28 = 801,121.95/x - Step 3: Cross multiply
1,445,690.99x = 1,995,065.28 × 801,121.95 - Step 4: Simplify right side
1,445,690.99x = 1,598,290,587,490.90 - Step 5: Solve for x
x = 1,598,290,587,490.90/1,445,690.99 - Step 6: Final answer
x = 1,105,554.79
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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.