Finding the Fourth Proportional to 1,233,271.99, 1,701,922.17 and 689,430.70
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Solution
The fourth proportional to 1,233,271.99, 1,701,922.17 and 689,430.70 is: 951,418.18
Step by Step Solution
- Step 1: Write the proportion equation
1,233,271.99 : 1,701,922.17 = 689,430.70 : x - Step 2: Convert to fraction form
1,233,271.99/1,701,922.17 = 689,430.70/x - Step 3: Cross multiply
1,233,271.99x = 1,701,922.17 × 689,430.70 - Step 4: Simplify right side
1,233,271.99x = 1,173,357,388,753.81 - Step 5: Solve for x
x = 1,173,357,388,753.81/1,233,271.99 - Step 6: Final answer
x = 951,418.18
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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.