Finding the Fourth Proportional to 1,085,857.68, 1,497,248.96 and 692,861.98
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Solution
The fourth proportional to 1,085,857.68, 1,497,248.96 and 692,861.98 is: 955,361.74
Step by Step Solution
- Step 1: Write the proportion equation
1,085,857.68 : 1,497,248.96 = 692,861.98 : x - Step 2: Convert to fraction form
1,085,857.68/1,497,248.96 = 692,861.98/x - Step 3: Cross multiply
1,085,857.68x = 1,497,248.96 × 692,861.98 - Step 4: Simplify right side
1,085,857.68x = 1,037,386,878,978.54 - Step 5: Solve for x
x = 1,037,386,878,978.54/1,085,857.68 - Step 6: Final answer
x = 955,361.74
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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.