Finding the Fourth Proportional to 1,130,920.39, 1,560,685.95 and 614,674.12
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Solution
The fourth proportional to 1,130,920.39, 1,560,685.95 and 614,674.12 is: 848,258.88
Step by Step Solution
- Step 1: Write the proportion equation
1,130,920.39 : 1,560,685.95 = 614,674.12 : x - Step 2: Convert to fraction form
1,130,920.39/1,560,685.95 = 614,674.12/x - Step 3: Cross multiply
1,130,920.39x = 1,560,685.95 × 614,674.12 - Step 4: Simplify right side
1,130,920.39x = 959,313,263,665.96 - Step 5: Solve for x
x = 959,313,263,665.96/1,130,920.39 - Step 6: Final answer
x = 848,258.88
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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.