Finding the Fourth Proportional to 1,728,320.80, 2,593,258.80 and 607,194.40
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Solution
The fourth proportional to 1,728,320.80, 2,593,258.80 and 607,194.40 is: 911,064.79
Step by Step Solution
- Step 1: Write the proportion equation
1,728,320.80 : 2,593,258.80 = 607,194.40 : x - Step 2: Convert to fraction form
1,728,320.80/2,593,258.80 = 607,194.40/x - Step 3: Cross multiply
1,728,320.80x = 2,593,258.80 × 607,194.40 - Step 4: Simplify right side
1,728,320.80x = 1,574,612,221,110.72 - Step 5: Solve for x
x = 1,574,612,221,110.72/1,728,320.80 - Step 6: Final answer
x = 911,064.79
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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.