Finding the Fourth Proportional to 1,018,585.99, 1,405,648.22 and 559,730.15
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Solution
The fourth proportional to 1,018,585.99, 1,405,648.22 and 559,730.15 is: 772,427.36
Step by Step Solution
- Step 1: Write the proportion equation
1,018,585.99 : 1,405,648.22 = 559,730.15 : x - Step 2: Convert to fraction form
1,018,585.99/1,405,648.22 = 559,730.15/x - Step 3: Cross multiply
1,018,585.99x = 1,405,648.22 × 559,730.15 - Step 4: Simplify right side
1,018,585.99x = 786,783,684,472.12 - Step 5: Solve for x
x = 786,783,684,472.12/1,018,585.99 - Step 6: Final answer
x = 772,427.36
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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.