Finding the Fourth Proportional to 1,408,913.16, 2,112,054.96 and 555,991.92
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Solution
The fourth proportional to 1,408,913.16, 2,112,054.96 and 555,991.92 is: 833,469.04
Step by Step Solution
- Step 1: Write the proportion equation
1,408,913.16 : 2,112,054.96 = 555,991.92 : x - Step 2: Convert to fraction form
1,408,913.16/2,112,054.96 = 555,991.92/x - Step 3: Cross multiply
1,408,913.16x = 2,112,054.96 × 555,991.92 - Step 4: Simplify right side
1,408,913.16x = 1,174,285,492,355.92 - Step 5: Solve for x
x = 1,174,285,492,355.92/1,408,913.16 - Step 6: Final answer
x = 833,469.04
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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.