Finding the Fourth Proportional to 1,018,345.19, 1,405,310.49 and 559,449.87
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Solution
The fourth proportional to 1,018,345.19, 1,405,310.49 and 559,449.87 is: 772,037.60
Step by Step Solution
- Step 1: Write the proportion equation
1,018,345.19 : 1,405,310.49 = 559,449.87 : x - Step 2: Convert to fraction form
1,018,345.19/1,405,310.49 = 559,449.87/x - Step 3: Cross multiply
1,018,345.19x = 1,405,310.49 × 559,449.87 - Step 4: Simplify right side
1,018,345.19x = 786,200,770,940.14 - Step 5: Solve for x
x = 786,200,770,940.14/1,018,345.19 - Step 6: Final answer
x = 772,037.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.