Finding the Fourth Proportional to 1,246,588.15, 1,720,942.08 and 884,876.12
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Solution
The fourth proportional to 1,246,588.15, 1,720,942.08 and 884,876.12 is: 1,221,590.75
Step by Step Solution
- Step 1: Write the proportion equation
1,246,588.15 : 1,720,942.08 = 884,876.12 : x - Step 2: Convert to fraction form
1,246,588.15/1,720,942.08 = 884,876.12/x - Step 3: Cross multiply
1,246,588.15x = 1,720,942.08 × 884,876.12 - Step 4: Simplify right side
1,246,588.15x = 1,522,820,550,495.13 - Step 5: Solve for x
x = 1,522,820,550,495.13/1,246,588.15 - Step 6: Final answer
x = 1,221,590.75
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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.