Finding the Fourth Proportional to 1,246,586.15, 1,720,939.32 and 884,874.12
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Solution
The fourth proportional to 1,246,586.15, 1,720,939.32 and 884,874.12 is: 1,221,587.99
Step by Step Solution
- Step 1: Write the proportion equation
1,246,586.15 : 1,720,939.32 = 884,874.12 : x - Step 2: Convert to fraction form
1,246,586.15/1,720,939.32 = 884,874.12/x - Step 3: Cross multiply
1,246,586.15x = 1,720,939.32 × 884,874.12 - Step 4: Simplify right side
1,246,586.15x = 1,522,814,666,358.40 - Step 5: Solve for x
x = 1,522,814,666,358.40/1,246,586.15 - Step 6: Final answer
x = 1,221,587.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.