Finding the Fourth Proportional to 1,028,804.04, 1,420,122.24 and 837,485.28
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Solution
The fourth proportional to 1,028,804.04, 1,420,122.24 and 837,485.28 is: 1,156,033.05
Step by Step Solution
- Step 1: Write the proportion equation
1,028,804.04 : 1,420,122.24 = 837,485.28 : x - Step 2: Convert to fraction form
1,028,804.04/1,420,122.24 = 837,485.28/x - Step 3: Cross multiply
1,028,804.04x = 1,420,122.24 × 837,485.28 - Step 4: Simplify right side
1,028,804.04x = 1,189,331,471,800.63 - Step 5: Solve for x
x = 1,189,331,471,800.63/1,028,804.04 - Step 6: Final answer
x = 1,156,033.05
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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.