Finding the Fourth Proportional to 1,348,991.68, 1,862,476.56 and 865,765.12
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Solution
The fourth proportional to 1,348,991.68, 1,862,476.56 and 865,765.12 is: 1,195,312.96
Step by Step Solution
- Step 1: Write the proportion equation
1,348,991.68 : 1,862,476.56 = 865,765.12 : x - Step 2: Convert to fraction form
1,348,991.68/1,862,476.56 = 865,765.12/x - Step 3: Cross multiply
1,348,991.68x = 1,862,476.56 × 865,765.12 - Step 4: Simplify right side
1,348,991.68x = 1,612,467,242,465.59 - Step 5: Solve for x
x = 1,612,467,242,465.59/1,348,991.68 - Step 6: Final answer
x = 1,195,312.96
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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.