Finding the Fourth Proportional to 1,203,620.82, 1,660,028.22 and 1,058,115.49
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Solution
The fourth proportional to 1,203,620.82, 1,660,028.22 and 1,058,115.49 is: 1,459,347.95
Step by Step Solution
- Step 1: Write the proportion equation
1,203,620.82 : 1,660,028.22 = 1,058,115.49 : x - Step 2: Convert to fraction form
1,203,620.82/1,660,028.22 = 1,058,115.49/x - Step 3: Cross multiply
1,203,620.82x = 1,660,028.22 × 1,058,115.49 - Step 4: Simplify right side
1,203,620.82x = 1,756,501,579,462.10 - Step 5: Solve for x
x = 1,756,501,579,462.10/1,203,620.82 - Step 6: Final answer
x = 1,459,347.95
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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.