Finding the Fourth Proportional to 1,256,709.65, 1,734,207.50 and 683,752.10
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Solution
The fourth proportional to 1,256,709.65, 1,734,207.50 and 683,752.10 is: 943,549.70
Step by Step Solution
- Step 1: Write the proportion equation
1,256,709.65 : 1,734,207.50 = 683,752.10 : x - Step 2: Convert to fraction form
1,256,709.65/1,734,207.50 = 683,752.10/x - Step 3: Cross multiply
1,256,709.65x = 1,734,207.50 × 683,752.10 - Step 4: Simplify right side
1,256,709.65x = 1,185,768,012,999.09 - Step 5: Solve for x
x = 1,185,768,012,999.09/1,256,709.65 - Step 6: Final answer
x = 943,549.70
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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.