Finding the Fourth Proportional to 1,283,378.07, 1,926,959.55 and 715,867.98
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Solution
The fourth proportional to 1,283,378.07, 1,926,959.55 and 715,867.98 is: 1,074,857.58
Step by Step Solution
- Step 1: Write the proportion equation
1,283,378.07 : 1,926,959.55 = 715,867.98 : x - Step 2: Convert to fraction form
1,283,378.07/1,926,959.55 = 715,867.98/x - Step 3: Cross multiply
1,283,378.07x = 1,926,959.55 × 715,867.98 - Step 4: Simplify right side
1,283,378.07x = 1,379,448,640,600.21 - Step 5: Solve for x
x = 1,379,448,640,600.21/1,283,378.07 - Step 6: Final answer
x = 1,074,857.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.