Finding the Fourth Proportional to 1,225,601.19, 1,837,811.28 and 426,865.05
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Solution
The fourth proportional to 1,225,601.19, 1,837,811.28 and 426,865.05 is: 640,091.91
Step by Step Solution
- Step 1: Write the proportion equation
1,225,601.19 : 1,837,811.28 = 426,865.05 : x - Step 2: Convert to fraction form
1,225,601.19/1,837,811.28 = 426,865.05/x - Step 3: Cross multiply
1,225,601.19x = 1,837,811.28 × 426,865.05 - Step 4: Simplify right side
1,225,601.19x = 784,497,403,927.76 - Step 5: Solve for x
x = 784,497,403,927.76/1,225,601.19 - Step 6: Final answer
x = 640,091.91
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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.