Finding the Fourth Proportional to 1,279,028.10, 1,765,012.53 and 706,055.97
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Solution
The fourth proportional to 1,279,028.10, 1,765,012.53 and 706,055.97 is: 974,331.71
Step by Step Solution
- Step 1: Write the proportion equation
1,279,028.10 : 1,765,012.53 = 706,055.97 : x - Step 2: Convert to fraction form
1,279,028.10/1,765,012.53 = 706,055.97/x - Step 3: Cross multiply
1,279,028.10x = 1,765,012.53 × 706,055.97 - Step 4: Simplify right side
1,279,028.10x = 1,246,197,639,226.25 - Step 5: Solve for x
x = 1,246,197,639,226.25/1,279,028.10 - Step 6: Final answer
x = 974,331.71
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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.