Finding the Fourth Proportional to 1,225,543.48, 1,838,364.66 and 426,905.80
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Solution
The fourth proportional to 1,225,543.48, 1,838,364.66 and 426,905.80 is: 640,375.92
Step by Step Solution
- Step 1: Write the proportion equation
1,225,543.48 : 1,838,364.66 = 426,905.80 : x - Step 2: Convert to fraction form
1,225,543.48/1,838,364.66 = 426,905.80/x - Step 3: Cross multiply
1,225,543.48x = 1,838,364.66 × 426,905.80 - Step 4: Simplify right side
1,225,543.48x = 784,808,535,869.03 - Step 5: Solve for x
x = 784,808,535,869.03/1,225,543.48 - Step 6: Final answer
x = 640,375.92
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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.