Finding the Fourth Proportional to 1,267,008.62, 1,747,070.84 and 807,395.18
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Solution
The fourth proportional to 1,267,008.62, 1,747,070.84 and 807,395.18 is: 1,113,312.53
Step by Step Solution
- Step 1: Write the proportion equation
1,267,008.62 : 1,747,070.84 = 807,395.18 : x - Step 2: Convert to fraction form
1,267,008.62/1,747,070.84 = 807,395.18/x - Step 3: Cross multiply
1,267,008.62x = 1,747,070.84 × 807,395.18 - Step 4: Simplify right side
1,267,008.62x = 1,410,576,568,617.69 - Step 5: Solve for x
x = 1,410,576,568,617.69/1,267,008.62 - Step 6: Final answer
x = 1,113,312.53
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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.