Finding the Fourth Proportional to 1,348,352.20, 1,860,726.18 and 744,740.20
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Solution
The fourth proportional to 1,348,352.20, 1,860,726.18 and 744,740.20 is: 1,027,741.56
Step by Step Solution
- Step 1: Write the proportion equation
1,348,352.20 : 1,860,726.18 = 744,740.20 : x - Step 2: Convert to fraction form
1,348,352.20/1,860,726.18 = 744,740.20/x - Step 3: Cross multiply
1,348,352.20x = 1,860,726.18 × 744,740.20 - Step 4: Simplify right side
1,348,352.20x = 1,385,757,587,438.44 - Step 5: Solve for x
x = 1,385,757,587,438.44/1,348,352.20 - Step 6: Final answer
x = 1,027,741.56
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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.