Finding the Fourth Proportional to 1,018,604.36, 1,405,604.95 and 559,750.80
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Solution
The fourth proportional to 1,018,604.36, 1,405,604.95 and 559,750.80 is: 772,418.15
Step by Step Solution
- Step 1: Write the proportion equation
1,018,604.36 : 1,405,604.95 = 559,750.80 : x - Step 2: Convert to fraction form
1,018,604.36/1,405,604.95 = 559,750.80/x - Step 3: Cross multiply
1,018,604.36x = 1,405,604.95 × 559,750.80 - Step 4: Simplify right side
1,018,604.36x = 786,788,499,118.10 - Step 5: Solve for x
x = 786,788,499,118.10/1,018,604.36 - Step 6: Final answer
x = 772,418.15
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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.