Finding the Fourth Proportional to 1,205,480.16, 1,808,176.36 and 486,132.12
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Solution
The fourth proportional to 1,205,480.16, 1,808,176.36 and 486,132.12 is: 729,180.48
Step by Step Solution
- Step 1: Write the proportion equation
1,205,480.16 : 1,808,176.36 = 486,132.12 : x - Step 2: Convert to fraction form
1,205,480.16/1,808,176.36 = 486,132.12/x - Step 3: Cross multiply
1,205,480.16x = 1,808,176.36 × 486,132.12 - Step 4: Simplify right side
1,205,480.16x = 879,012,596,964.47 - Step 5: Solve for x
x = 879,012,596,964.47/1,205,480.16 - Step 6: Final answer
x = 729,180.48
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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.