Finding the Fourth Proportional to 1,357,928.95, 1,873,911.81 and 737,718.07
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Solution
The fourth proportional to 1,357,928.95, 1,873,911.81 and 737,718.07 is: 1,018,034.56
Step by Step Solution
- Step 1: Write the proportion equation
1,357,928.95 : 1,873,911.81 = 737,718.07 : x - Step 2: Convert to fraction form
1,357,928.95/1,873,911.81 = 737,718.07/x - Step 3: Cross multiply
1,357,928.95x = 1,873,911.81 × 737,718.07 - Step 4: Simplify right side
1,357,928.95x = 1,382,418,603,823.41 - Step 5: Solve for x
x = 1,382,418,603,823.41/1,357,928.95 - Step 6: Final answer
x = 1,018,034.56
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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.