Finding the Fourth Proportional to 1,016,707.14, 1,403,008.49 and 557,811.36
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Solution
The fourth proportional to 1,016,707.14, 1,403,008.49 and 557,811.36 is: 769,753.69
Step by Step Solution
- Step 1: Write the proportion equation
1,016,707.14 : 1,403,008.49 = 557,811.36 : x - Step 2: Convert to fraction form
1,016,707.14/1,403,008.49 = 557,811.36/x - Step 3: Cross multiply
1,016,707.14x = 1,403,008.49 × 557,811.36 - Step 4: Simplify right side
1,016,707.14x = 782,614,075,292.98 - Step 5: Solve for x
x = 782,614,075,292.98/1,016,707.14 - Step 6: Final answer
x = 769,753.69
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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.