Finding the Fourth Proportional to 1,284,604.13, 1,926,832.07 and 386,026.58
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Solution
The fourth proportional to 1,284,604.13, 1,926,832.07 and 386,026.58 is: 579,017.59
Step by Step Solution
- Step 1: Write the proportion equation
1,284,604.13 : 1,926,832.07 = 386,026.58 : x - Step 2: Convert to fraction form
1,284,604.13/1,926,832.07 = 386,026.58/x - Step 3: Cross multiply
1,284,604.13x = 1,926,832.07 × 386,026.58 - Step 4: Simplify right side
1,284,604.13x = 743,808,382,652.13 - Step 5: Solve for x
x = 743,808,382,652.13/1,284,604.13 - Step 6: Final answer
x = 579,017.59
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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.