Finding the Fourth Proportional to 1,125,416.24, 1,553,074.80 and 616,150.88
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Solution
The fourth proportional to 1,125,416.24, 1,553,074.80 and 616,150.88 is: 850,288.43
Step by Step Solution
- Step 1: Write the proportion equation
1,125,416.24 : 1,553,074.80 = 616,150.88 : x - Step 2: Convert to fraction form
1,125,416.24/1,553,074.80 = 616,150.88/x - Step 3: Cross multiply
1,125,416.24x = 1,553,074.80 × 616,150.88 - Step 4: Simplify right side
1,125,416.24x = 956,928,404,725.82 - Step 5: Solve for x
x = 956,928,404,725.82/1,125,416.24 - Step 6: Final answer
x = 850,288.43
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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.