Finding the Fourth Proportional to 1,291,783.74, 1,937,680.82 and 523,295.98
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Solution
The fourth proportional to 1,291,783.74, 1,937,680.82 and 523,295.98 is: 784,946.08
Step by Step Solution
- Step 1: Write the proportion equation
1,291,783.74 : 1,937,680.82 = 523,295.98 : x - Step 2: Convert to fraction form
1,291,783.74/1,937,680.82 = 523,295.98/x - Step 3: Cross multiply
1,291,783.74x = 1,937,680.82 × 523,295.98 - Step 4: Simplify right side
1,291,783.74x = 1,013,980,583,629.10 - Step 5: Solve for x
x = 1,013,980,583,629.10/1,291,783.74 - Step 6: Final answer
x = 784,946.08
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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.