Finding the Fourth Proportional to 1,125,459.92, 1,553,139.24 and 616,209.68
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Solution
The fourth proportional to 1,125,459.92, 1,553,139.24 and 616,209.68 is: 850,371.85
Step by Step Solution
- Step 1: Write the proportion equation
1,125,459.92 : 1,553,139.24 = 616,209.68 : x - Step 2: Convert to fraction form
1,125,459.92/1,553,139.24 = 616,209.68/x - Step 3: Cross multiply
1,125,459.92x = 1,553,139.24 × 616,209.68 - Step 4: Simplify right side
1,125,459.92x = 957,059,434,075.84 - Step 5: Solve for x
x = 957,059,434,075.84/1,125,459.92 - Step 6: Final answer
x = 850,371.85
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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.