Finding the Fourth Proportional to 1,397,919.06, 1,929,118.41 and 794,307.06
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Solution
The fourth proportional to 1,397,919.06, 1,929,118.41 and 794,307.06 is: 1,096,138.12
Step by Step Solution
- Step 1: Write the proportion equation
1,397,919.06 : 1,929,118.41 = 794,307.06 : x - Step 2: Convert to fraction form
1,397,919.06/1,929,118.41 = 794,307.06/x - Step 3: Cross multiply
1,397,919.06x = 1,929,118.41 × 794,307.06 - Step 4: Simplify right side
1,397,919.06x = 1,532,312,372,638.97 - Step 5: Solve for x
x = 1,532,312,372,638.97/1,397,919.06 - Step 6: Final answer
x = 1,096,138.12
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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.