Finding the Fourth Proportional to 1,116,646.70, 1,674,234.99 and 736,408.04
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Solution
The fourth proportional to 1,116,646.70, 1,674,234.99 and 736,408.04 is: 1,104,127.30
Step by Step Solution
- Step 1: Write the proportion equation
1,116,646.70 : 1,674,234.99 = 736,408.04 : x - Step 2: Convert to fraction form
1,116,646.70/1,674,234.99 = 736,408.04/x - Step 3: Cross multiply
1,116,646.70x = 1,674,234.99 × 736,408.04 - Step 4: Simplify right side
1,116,646.70x = 1,232,920,099,114.14 - Step 5: Solve for x
x = 1,232,920,099,114.14/1,116,646.70 - Step 6: Final answer
x = 1,104,127.30
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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.