Finding the Fourth Proportional to 1,124,125.12, 1,551,259.60 and 614,816.48
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Solution
The fourth proportional to 1,124,125.12, 1,551,259.60 and 614,816.48 is: 848,428.66
Step by Step Solution
- Step 1: Write the proportion equation
1,124,125.12 : 1,551,259.60 = 614,816.48 : x - Step 2: Convert to fraction form
1,124,125.12/1,551,259.60 = 614,816.48/x - Step 3: Cross multiply
1,124,125.12x = 1,551,259.60 × 614,816.48 - Step 4: Simplify right side
1,124,125.12x = 953,739,966,838.21 - Step 5: Solve for x
x = 953,739,966,838.21/1,124,125.12 - Step 6: Final answer
x = 848,428.66
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1.5x scale
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.