Finding the Fourth Proportional to 1,266,677.44, 1,748,139.66 and 722,895.08
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Solution
The fourth proportional to 1,266,677.44, 1,748,139.66 and 722,895.08 is: 997,666.43
Step by Step Solution
- Step 1: Write the proportion equation
1,266,677.44 : 1,748,139.66 = 722,895.08 : x - Step 2: Convert to fraction form
1,266,677.44/1,748,139.66 = 722,895.08/x - Step 3: Cross multiply
1,266,677.44x = 1,748,139.66 × 722,895.08 - Step 4: Simplify right side
1,266,677.44x = 1,263,721,559,366.87 - Step 5: Solve for x
x = 1,263,721,559,366.87/1,266,677.44 - Step 6: Final answer
x = 997,666.43
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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.