Finding the Fourth Proportional to 1,132,571.28, 1,562,948.60 and 623,273.68
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Solution
The fourth proportional to 1,132,571.28, 1,562,948.60 and 623,273.68 is: 860,117.81
Step by Step Solution
- Step 1: Write the proportion equation
1,132,571.28 : 1,562,948.60 = 623,273.68 : x - Step 2: Convert to fraction form
1,132,571.28/1,562,948.60 = 623,273.68/x - Step 3: Cross multiply
1,132,571.28x = 1,562,948.60 × 623,273.68 - Step 4: Simplify right side
1,132,571.28x = 974,144,725,572.85 - Step 5: Solve for x
x = 974,144,725,572.85/1,132,571.28 - Step 6: Final answer
x = 860,117.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.