Finding the Fourth Proportional to 1,054,812.11, 1,455,647.70 and 571,377.26
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Solution
The fourth proportional to 1,054,812.11, 1,455,647.70 and 571,377.26 is: 788,504.40
Step by Step Solution
- Step 1: Write the proportion equation
1,054,812.11 : 1,455,647.70 = 571,377.26 : x - Step 2: Convert to fraction form
1,054,812.11/1,455,647.70 = 571,377.26/x - Step 3: Cross multiply
1,054,812.11x = 1,455,647.70 × 571,377.26 - Step 4: Simplify right side
1,054,812.11x = 831,723,987,073.06 - Step 5: Solve for x
x = 831,723,987,073.06/1,054,812.11 - Step 6: Final answer
x = 788,504.40
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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.