Finding the Fourth Proportional to 1,071,069.05, 1,478,090.36 and 587,625.41
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Solution
The fourth proportional to 1,071,069.05, 1,478,090.36 and 587,625.41 is: 810,931.33
Step by Step Solution
- Step 1: Write the proportion equation
1,071,069.05 : 1,478,090.36 = 587,625.41 : x - Step 2: Convert to fraction form
1,071,069.05/1,478,090.36 = 587,625.41/x - Step 3: Cross multiply
1,071,069.05x = 1,478,090.36 × 587,625.41 - Step 4: Simplify right side
1,071,069.05x = 868,563,453,812.05 - Step 5: Solve for x
x = 868,563,453,812.05/1,071,069.05 - Step 6: Final answer
x = 810,931.33
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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.