Finding the Fourth Proportional to 1,032,378.53, 1,424,864.93 and 772,040.07
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Solution
The fourth proportional to 1,032,378.53, 1,424,864.93 and 772,040.07 is: 1,065,551.82
Step by Step Solution
- Step 1: Write the proportion equation
1,032,378.53 : 1,424,864.93 = 772,040.07 : x - Step 2: Convert to fraction form
1,032,378.53/1,424,864.93 = 772,040.07/x - Step 3: Cross multiply
1,032,378.53x = 1,424,864.93 × 772,040.07 - Step 4: Simplify right side
1,032,378.53x = 1,100,052,816,437.54 - Step 5: Solve for x
x = 1,100,052,816,437.54/1,032,378.53 - Step 6: Final answer
x = 1,065,551.82
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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.