Finding the Fourth Proportional to 1,246,373.16, 1,869,811.26 and 393,578.04
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Solution
The fourth proportional to 1,246,373.16, 1,869,811.26 and 393,578.04 is: 590,446.48
Step by Step Solution
- Step 1: Write the proportion equation
1,246,373.16 : 1,869,811.26 = 393,578.04 : x - Step 2: Convert to fraction form
1,246,373.16/1,869,811.26 = 393,578.04/x - Step 3: Cross multiply
1,246,373.16x = 1,869,811.26 × 393,578.04 - Step 4: Simplify right side
1,246,373.16x = 735,916,650,880.73 - Step 5: Solve for x
x = 735,916,650,880.73/1,246,373.16 - Step 6: Final answer
x = 590,446.48
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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.