Finding the Fourth Proportional to 1,145,464.18, 1,718,218.12 and 346,742.62
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Solution
The fourth proportional to 1,145,464.18, 1,718,218.12 and 346,742.62 is: 520,120.54
Step by Step Solution
- Step 1: Write the proportion equation
1,145,464.18 : 1,718,218.12 = 346,742.62 : x - Step 2: Convert to fraction form
1,145,464.18/1,718,218.12 = 346,742.62/x - Step 3: Cross multiply
1,145,464.18x = 1,718,218.12 × 346,742.62 - Step 4: Simplify right side
1,145,464.18x = 595,779,452,660.27 - Step 5: Solve for x
x = 595,779,452,660.27/1,145,464.18 - Step 6: Final answer
x = 520,120.54
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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.