Finding the Fourth Proportional to 1,142,577.81, 1,575,938.57 and 754,944.21
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Solution
The fourth proportional to 1,142,577.81, 1,575,938.57 and 754,944.21 is: 1,041,281.99
Step by Step Solution
- Step 1: Write the proportion equation
1,142,577.81 : 1,575,938.57 = 754,944.21 : x - Step 2: Convert to fraction form
1,142,577.81/1,575,938.57 = 754,944.21/x - Step 3: Cross multiply
1,142,577.81x = 1,575,938.57 × 754,944.21 - Step 4: Simplify right side
1,142,577.81x = 1,189,745,694,962.46 - Step 5: Solve for x
x = 1,189,745,694,962.46/1,142,577.81 - Step 6: Final answer
x = 1,041,281.99
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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.