Finding the Fourth Proportional to 1,259,153.98, 1,888,038.42 and 860,245.18
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Solution
The fourth proportional to 1,259,153.98, 1,888,038.42 and 860,245.18 is: 1,289,894.62
Step by Step Solution
- Step 1: Write the proportion equation
1,259,153.98 : 1,888,038.42 = 860,245.18 : x - Step 2: Convert to fraction form
1,259,153.98/1,888,038.42 = 860,245.18/x - Step 3: Cross multiply
1,259,153.98x = 1,888,038.42 × 860,245.18 - Step 4: Simplify right side
1,259,153.98x = 1,624,175,950,459.82 - Step 5: Solve for x
x = 1,624,175,950,459.82/1,259,153.98 - Step 6: Final answer
x = 1,289,894.62
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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.