Finding the Fourth Proportional to 1,017,740.70, 1,526,611.05 and 860,276.70
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Solution
The fourth proportional to 1,017,740.70, 1,526,611.05 and 860,276.70 is: 1,290,415.05
Step by Step Solution
- Step 1: Write the proportion equation
1,017,740.70 : 1,526,611.05 = 860,276.70 : x - Step 2: Convert to fraction form
1,017,740.70/1,526,611.05 = 860,276.70/x - Step 3: Cross multiply
1,017,740.70x = 1,526,611.05 × 860,276.70 - Step 4: Simplify right side
1,017,740.70x = 1,313,307,916,277.53 - Step 5: Solve for x
x = 1,313,307,916,277.53/1,017,740.70 - Step 6: Final answer
x = 1,290,415.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.