Finding the Fourth Proportional to 1,416,785.36, 1,955,165.28 and 772,206.08
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Solution
The fourth proportional to 1,416,785.36, 1,955,165.28 and 772,206.08 is: 1,065,645.20
Step by Step Solution
- Step 1: Write the proportion equation
1,416,785.36 : 1,955,165.28 = 772,206.08 : x - Step 2: Convert to fraction form
1,416,785.36/1,955,165.28 = 772,206.08/x - Step 3: Cross multiply
1,416,785.36x = 1,955,165.28 × 772,206.08 - Step 4: Simplify right side
1,416,785.36x = 1,509,790,516,620.90 - Step 5: Solve for x
x = 1,509,790,516,620.90/1,416,785.36 - Step 6: Final answer
x = 1,065,645.20
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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.