Finding the Fourth Proportional to 1,348,496.05, 1,860,980.96 and 775,536.61
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Solution
The fourth proportional to 1,348,496.05, 1,860,980.96 and 775,536.61 is: 1,070,272.96
Step by Step Solution
- Step 1: Write the proportion equation
1,348,496.05 : 1,860,980.96 = 775,536.61 : x - Step 2: Convert to fraction form
1,348,496.05/1,860,980.96 = 775,536.61/x - Step 3: Cross multiply
1,348,496.05x = 1,860,980.96 × 775,536.61 - Step 4: Simplify right side
1,348,496.05x = 1,443,258,864,992.95 - Step 5: Solve for x
x = 1,443,258,864,992.95/1,348,496.05 - Step 6: Final answer
x = 1,070,272.96
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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.