Finding the Fourth Proportional to 1,285,901.96, 1,928,459.12 and 889,092.68
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Solution
The fourth proportional to 1,285,901.96, 1,928,459.12 and 889,092.68 is: 1,333,366.73
Step by Step Solution
- Step 1: Write the proportion equation
1,285,901.96 : 1,928,459.12 = 889,092.68 : x - Step 2: Convert to fraction form
1,285,901.96/1,928,459.12 = 889,092.68/x - Step 3: Cross multiply
1,285,901.96x = 1,928,459.12 × 889,092.68 - Step 4: Simplify right side
1,285,901.96x = 1,714,578,887,271.24 - Step 5: Solve for x
x = 1,714,578,887,271.24/1,285,901.96 - Step 6: Final answer
x = 1,333,366.73
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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.