Finding the Fourth Proportional to 1,450,620.55, 2,001,235.41 and 905,810.50
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Solution
The fourth proportional to 1,450,620.55, 2,001,235.41 and 905,810.50 is: 1,249,630.75
Step by Step Solution
- Step 1: Write the proportion equation
1,450,620.55 : 2,001,235.41 = 905,810.50 : x - Step 2: Convert to fraction form
1,450,620.55/2,001,235.41 = 905,810.50/x - Step 3: Cross multiply
1,450,620.55x = 2,001,235.41 × 905,810.50 - Step 4: Simplify right side
1,450,620.55x = 1,812,740,047,349.81 - Step 5: Solve for x
x = 1,812,740,047,349.81/1,450,620.55 - Step 6: Final answer
x = 1,249,630.75
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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.