Finding the Fourth Proportional to 1,018,341.41, 1,405,305.32 and 559,446.12
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Solution
The fourth proportional to 1,018,341.41, 1,405,305.32 and 559,446.12 is: 772,032.45
Step by Step Solution
- Step 1: Write the proportion equation
1,018,341.41 : 1,405,305.32 = 559,446.12 : x - Step 2: Convert to fraction form
1,018,341.41/1,405,305.32 = 559,446.12/x - Step 3: Cross multiply
1,018,341.41x = 1,405,305.32 × 559,446.12 - Step 4: Simplify right side
1,018,341.41x = 786,192,605,892.13 - Step 5: Solve for x
x = 786,192,605,892.13/1,018,341.41 - Step 6: Final answer
x = 772,032.45
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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.