Finding the Fourth Proportional to 1,130,154.73, 1,560,022.94 and 748,304.53
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Solution
The fourth proportional to 1,130,154.73, 1,560,022.94 and 748,304.53 is: 1,032,931.33
Step by Step Solution
- Step 1: Write the proportion equation
1,130,154.73 : 1,560,022.94 = 748,304.53 : x - Step 2: Convert to fraction form
1,130,154.73/1,560,022.94 = 748,304.53/x - Step 3: Cross multiply
1,130,154.73x = 1,560,022.94 × 748,304.53 - Step 4: Simplify right side
1,130,154.73x = 1,167,372,230,876.62 - Step 5: Solve for x
x = 1,167,372,230,876.62/1,130,154.73 - Step 6: Final answer
x = 1,032,931.33
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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.