Finding the Fourth Proportional to 1,208,918.70, 1,811,822.85 and 735,101.10
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Solution
The fourth proportional to 1,208,918.70, 1,811,822.85 and 735,101.10 is: 1,101,705.99
Step by Step Solution
- Step 1: Write the proportion equation
1,208,918.70 : 1,811,822.85 = 735,101.10 : x - Step 2: Convert to fraction form
1,208,918.70/1,811,822.85 = 735,101.10/x - Step 3: Cross multiply
1,208,918.70x = 1,811,822.85 × 735,101.10 - Step 4: Simplify right side
1,208,918.70x = 1,331,872,970,040.14 - Step 5: Solve for x
x = 1,331,872,970,040.14/1,208,918.70 - Step 6: Final answer
x = 1,101,705.99
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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.