Finding the Fourth Proportional to 1,225,535.98, 1,838,353.41 and 426,898.30
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Solution
The fourth proportional to 1,225,535.98, 1,838,353.41 and 426,898.30 is: 640,364.67
Step by Step Solution
- Step 1: Write the proportion equation
1,225,535.98 : 1,838,353.41 = 426,898.30 : x - Step 2: Convert to fraction form
1,225,535.98/1,838,353.41 = 426,898.30/x - Step 3: Cross multiply
1,225,535.98x = 1,838,353.41 × 426,898.30 - Step 4: Simplify right side
1,225,535.98x = 784,789,945,528.20 - Step 5: Solve for x
x = 784,789,945,528.20/1,225,535.98 - Step 6: Final answer
x = 640,364.67
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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.