Finding the Fourth Proportional to 926,426.70, 1,389,640.05 and 883,124.10
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Solution
The fourth proportional to 926,426.70, 1,389,640.05 and 883,124.10 is: 1,324,686.15
Step by Step Solution
- Step 1: Write the proportion equation
926,426.70 : 1,389,640.05 = 883,124.10 : x - Step 2: Convert to fraction form
926,426.70/1,389,640.05 = 883,124.10/x - Step 3: Cross multiply
926,426.70x = 1,389,640.05 × 883,124.10 - Step 4: Simplify right side
926,426.70x = 1,227,224,618,480.21 - Step 5: Solve for x
x = 1,227,224,618,480.21/926,426.70 - Step 6: Final answer
x = 1,324,686.15
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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.