Finding the Fourth Proportional to 1,769,579.49, 2,656,854.53 and 905,632.26
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Solution
The fourth proportional to 1,769,579.49, 2,656,854.53 and 905,632.26 is: 1,359,720.31
Step by Step Solution
- Step 1: Write the proportion equation
1,769,579.49 : 2,656,854.53 = 905,632.26 : x - Step 2: Convert to fraction form
1,769,579.49/2,656,854.53 = 905,632.26/x - Step 3: Cross multiply
1,769,579.49x = 2,656,854.53 × 905,632.26 - Step 4: Simplify right side
1,769,579.49x = 2,406,133,167,966.98 - Step 5: Solve for x
x = 2,406,133,167,966.98/1,769,579.49 - Step 6: Final answer
x = 1,359,720.31
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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.