Finding the Fourth Proportional to 1,012,268.16, 1,396,875.24 and 559,530
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Solution
The fourth proportional to 1,012,268.16, 1,396,875.24 and 559,530 is: 772,121.10
Step by Step Solution
- Step 1: Write the proportion equation
1,012,268.16 : 1,396,875.24 = 559,530 : x - Step 2: Convert to fraction form
1,012,268.16/1,396,875.24 = 559,530/x - Step 3: Cross multiply
1,012,268.16x = 1,396,875.24 × 559,530 - Step 4: Simplify right side
1,012,268.16x = 781,593,603,037.20 - Step 5: Solve for x
x = 781,593,603,037.20/1,012,268.16 - Step 6: Final answer
x = 772,121.10
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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.