Finding the Fourth Proportional to 1,170,415, 1,615,304.19 and 661,150.18
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Solution
The fourth proportional to 1,170,415, 1,615,304.19 and 661,150.18 is: 912,461.53
Step by Step Solution
- Step 1: Write the proportion equation
1,170,415 : 1,615,304.19 = 661,150.18 : x - Step 2: Convert to fraction form
1,170,415/1,615,304.19 = 661,150.18/x - Step 3: Cross multiply
1,170,415x = 1,615,304.19 × 661,150.18 - Step 4: Simplify right side
1,170,415x = 1,067,958,655,973.25 - Step 5: Solve for x
x = 1,067,958,655,973.25/1,170,415 - Step 6: Final answer
x = 912,461.53
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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.