Finding the Fourth Proportional to 1,064,497.21, 1,596,155.07 and 354,137.47
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Solution
The fourth proportional to 1,064,497.21, 1,596,155.07 and 354,137.47 is: 531,009.67
Step by Step Solution
- Step 1: Write the proportion equation
1,064,497.21 : 1,596,155.07 = 354,137.47 : x - Step 2: Convert to fraction form
1,064,497.21/1,596,155.07 = 354,137.47/x - Step 3: Cross multiply
1,064,497.21x = 1,596,155.07 × 354,137.47 - Step 4: Simplify right side
1,064,497.21x = 565,258,316,446.79 - Step 5: Solve for x
x = 565,258,316,446.79/1,064,497.21 - Step 6: Final answer
x = 531,009.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.