Finding the Fourth Proportional to 1,037,750.70, 1,556,626.05 and 860,603.70
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Solution
The fourth proportional to 1,037,750.70, 1,556,626.05 and 860,603.70 is: 1,290,905.55
Step by Step Solution
- Step 1: Write the proportion equation
1,037,750.70 : 1,556,626.05 = 860,603.70 : x - Step 2: Convert to fraction form
1,037,750.70/1,556,626.05 = 860,603.70/x - Step 3: Cross multiply
1,037,750.70x = 1,556,626.05 × 860,603.70 - Step 4: Simplify right side
1,037,750.70x = 1,339,638,138,146.39 - Step 5: Solve for x
x = 1,339,638,138,146.39/1,037,750.70 - Step 6: Final answer
x = 1,290,905.55
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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.