Finding the Fourth Proportional to 1,259,838.48, 1,889,764.67 and 313,209.21
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Solution
The fourth proportional to 1,259,838.48, 1,889,764.67 and 313,209.21 is: 469,815.54
Step by Step Solution
- Step 1: Write the proportion equation
1,259,838.48 : 1,889,764.67 = 313,209.21 : x - Step 2: Convert to fraction form
1,259,838.48/1,889,764.67 = 313,209.21/x - Step 3: Cross multiply
1,259,838.48x = 1,889,764.67 × 313,209.21 - Step 4: Simplify right side
1,259,838.48x = 591,891,697,810.57 - Step 5: Solve for x
x = 591,891,697,810.57/1,259,838.48 - Step 6: Final answer
x = 469,815.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.