Finding the Fourth Proportional to 1,048,572.93, 1,569,476.33 and 542,436.94
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Solution
The fourth proportional to 1,048,572.93, 1,569,476.33 and 542,436.94 is: 811,905.32
Step by Step Solution
- Step 1: Write the proportion equation
1,048,572.93 : 1,569,476.33 = 542,436.94 : x - Step 2: Convert to fraction form
1,048,572.93/1,569,476.33 = 542,436.94/x - Step 3: Cross multiply
1,048,572.93x = 1,569,476.33 × 542,436.94 - Step 4: Simplify right side
1,048,572.93x = 851,341,937,847.63 - Step 5: Solve for x
x = 851,341,937,847.63/1,048,572.93 - Step 6: Final answer
x = 811,905.32
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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.