Finding the Fourth Proportional to 1,058,140.13, 1,460,006.20 and 628,565.09
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Solution
The fourth proportional to 1,058,140.13, 1,460,006.20 and 628,565.09 is: 867,284.87
Step by Step Solution
- Step 1: Write the proportion equation
1,058,140.13 : 1,460,006.20 = 628,565.09 : x - Step 2: Convert to fraction form
1,058,140.13/1,460,006.20 = 628,565.09/x - Step 3: Cross multiply
1,058,140.13x = 1,460,006.20 × 628,565.09 - Step 4: Simplify right side
1,058,140.13x = 917,708,928,503.56 - Step 5: Solve for x
x = 917,708,928,503.56/1,058,140.13 - Step 6: Final answer
x = 867,284.87
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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.