Finding the Fourth Proportional to 1,348,480.66, 1,860,959.88 and 775,521.28
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Solution
The fourth proportional to 1,348,480.66, 1,860,959.88 and 775,521.28 is: 1,070,251.90
Step by Step Solution
- Step 1: Write the proportion equation
1,348,480.66 : 1,860,959.88 = 775,521.28 : x - Step 2: Convert to fraction form
1,348,480.66/1,860,959.88 = 775,521.28/x - Step 3: Cross multiply
1,348,480.66x = 1,860,959.88 × 775,521.28 - Step 4: Simplify right side
1,348,480.66x = 1,443,213,988,166.25 - Step 5: Solve for x
x = 1,443,213,988,166.25/1,348,480.66 - Step 6: Final answer
x = 1,070,251.90
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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.