Finding the Fourth Proportional to 1,168,385.70, 1,611,994.41 and 652,055.70
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Solution
The fourth proportional to 1,168,385.70, 1,611,994.41 and 652,055.70 is: 899,625.99
Step by Step Solution
- Step 1: Write the proportion equation
1,168,385.70 : 1,611,994.41 = 652,055.70 : x - Step 2: Convert to fraction form
1,168,385.70/1,611,994.41 = 652,055.70/x - Step 3: Cross multiply
1,168,385.70x = 1,611,994.41 × 652,055.70 - Step 4: Simplify right side
1,168,385.70x = 1,051,110,143,408.64 - Step 5: Solve for x
x = 1,051,110,143,408.64/1,168,385.70 - Step 6: Final answer
x = 899,625.99
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1.5x scale
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.