Finding the Fourth Proportional to 1,135,175.86, 1,564,914.99 and 893,037.88
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Solution
The fourth proportional to 1,135,175.86, 1,564,914.99 and 893,037.88 is: 1,231,111.77
Step by Step Solution
- Step 1: Write the proportion equation
1,135,175.86 : 1,564,914.99 = 893,037.88 : x - Step 2: Convert to fraction form
1,135,175.86/1,564,914.99 = 893,037.88/x - Step 3: Cross multiply
1,135,175.86x = 1,564,914.99 × 893,037.88 - Step 4: Simplify right side
1,135,175.86x = 1,397,528,365,049.82 - Step 5: Solve for x
x = 1,397,528,365,049.82/1,135,175.86 - Step 6: Final answer
x = 1,231,111.77
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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.