Finding the Fourth Proportional to 1,249,153.11, 1,873,449.36 and 574,586.55
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Solution
The fourth proportional to 1,249,153.11, 1,873,449.36 and 574,586.55 is: 861,750.89
Step by Step Solution
- Step 1: Write the proportion equation
1,249,153.11 : 1,873,449.36 = 574,586.55 : x - Step 2: Convert to fraction form
1,249,153.11/1,873,449.36 = 574,586.55/x - Step 3: Cross multiply
1,249,153.11x = 1,873,449.36 × 574,586.55 - Step 4: Simplify right side
1,249,153.11x = 1,076,458,804,362.11 - Step 5: Solve for x
x = 1,076,458,804,362.11/1,249,153.11 - Step 6: Final answer
x = 861,750.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.