Finding the Fourth Proportional to 1,122,107.28, 1,684,210.68 and 554,129.73
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Solution
The fourth proportional to 1,122,107.28, 1,684,210.68 and 554,129.73 is: 831,713.00
Step by Step Solution
- Step 1: Write the proportion equation
1,122,107.28 : 1,684,210.68 = 554,129.73 : x - Step 2: Convert to fraction form
1,122,107.28/1,684,210.68 = 554,129.73/x - Step 3: Cross multiply
1,122,107.28x = 1,684,210.68 × 554,129.73 - Step 4: Simplify right side
1,122,107.28x = 933,271,209,371.52 - Step 5: Solve for x
x = 933,271,209,371.52/1,122,107.28 - Step 6: Final answer
x = 831,713.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.