Finding the Fourth Proportional to 1,246,909.91, 1,720,735.94 and 673,948.31
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Solution
The fourth proportional to 1,246,909.91, 1,720,735.94 and 673,948.31 is: 930,048.81
Step by Step Solution
- Step 1: Write the proportion equation
1,246,909.91 : 1,720,735.94 = 673,948.31 : x - Step 2: Convert to fraction form
1,246,909.91/1,720,735.94 = 673,948.31/x - Step 3: Cross multiply
1,246,909.91x = 1,720,735.94 × 673,948.31 - Step 4: Simplify right side
1,246,909.91x = 1,159,687,075,349.52 - Step 5: Solve for x
x = 1,159,687,075,349.52/1,246,909.91 - Step 6: Final answer
x = 930,048.81
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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.