Finding the Fourth Proportional to 1,259,278.04, 1,888,326.44 and 460,000.62
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Solution
The fourth proportional to 1,259,278.04, 1,888,326.44 and 460,000.62 is: 689,785.18
Step by Step Solution
- Step 1: Write the proportion equation
1,259,278.04 : 1,888,326.44 = 460,000.62 : x - Step 2: Convert to fraction form
1,259,278.04/1,888,326.44 = 460,000.62/x - Step 3: Cross multiply
1,259,278.04x = 1,888,326.44 × 460,000.62 - Step 4: Simplify right side
1,259,278.04x = 868,631,332,587.39 - Step 5: Solve for x
x = 868,631,332,587.39/1,259,278.04 - Step 6: Final answer
x = 689,785.18
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1.5x scale
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.