Finding the Fourth Proportional to 1,203,621.31, 1,660,028.90 and 1,058,115.98
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Solution
The fourth proportional to 1,203,621.31, 1,660,028.90 and 1,058,115.98 is: 1,459,348.63
Step by Step Solution
- Step 1: Write the proportion equation
1,203,621.31 : 1,660,028.90 = 1,058,115.98 : x - Step 2: Convert to fraction form
1,203,621.31/1,660,028.90 = 1,058,115.98/x - Step 3: Cross multiply
1,203,621.31x = 1,660,028.90 × 1,058,115.98 - Step 4: Simplify right side
1,203,621.31x = 1,756,503,106,351.82 - Step 5: Solve for x
x = 1,756,503,106,351.82/1,203,621.31 - Step 6: Final answer
x = 1,459,348.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.