Finding the Fourth Proportional to 1,441,560.36, 1,989,023.36 and 860,670.66
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Solution
The fourth proportional to 1,441,560.36, 1,989,023.36 and 860,670.66 is: 1,187,528.52
Step by Step Solution
- Step 1: Write the proportion equation
1,441,560.36 : 1,989,023.36 = 860,670.66 : x - Step 2: Convert to fraction form
1,441,560.36/1,989,023.36 = 860,670.66/x - Step 3: Cross multiply
1,441,560.36x = 1,989,023.36 × 860,670.66 - Step 4: Simplify right side
1,441,560.36x = 1,711,894,043,703.26 - Step 5: Solve for x
x = 1,711,894,043,703.26/1,441,560.36 - Step 6: Final answer
x = 1,187,528.52
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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.