Finding the Fourth Proportional to 1,208,341.75, 1,667,559.81 and 724,730.44
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Solution
The fourth proportional to 1,208,341.75, 1,667,559.81 and 724,730.44 is: 1,000,156.91
Step by Step Solution
- Step 1: Write the proportion equation
1,208,341.75 : 1,667,559.81 = 724,730.44 : x - Step 2: Convert to fraction form
1,208,341.75/1,667,559.81 = 724,730.44/x - Step 3: Cross multiply
1,208,341.75x = 1,667,559.81 × 724,730.44 - Step 4: Simplify right side
1,208,341.75x = 1,208,531,354,827.62 - Step 5: Solve for x
x = 1,208,531,354,827.62/1,208,341.75 - Step 6: Final answer
x = 1,000,156.91
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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.