Finding the Fourth Proportional to 1,018,358.37, 1,405,335.42 and 559,473.84
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Solution
The fourth proportional to 1,018,358.37, 1,405,335.42 and 559,473.84 is: 772,074.38
Step by Step Solution
- Step 1: Write the proportion equation
1,018,358.37 : 1,405,335.42 = 559,473.84 : x - Step 2: Convert to fraction form
1,018,358.37/1,405,335.42 = 559,473.84/x - Step 3: Cross multiply
1,018,358.37x = 1,405,335.42 × 559,473.84 - Step 4: Simplify right side
1,018,358.37x = 786,248,403,915.41 - Step 5: Solve for x
x = 786,248,403,915.41/1,018,358.37 - Step 6: Final answer
x = 772,074.38
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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.