Finding the Fourth Proportional to 1,416,714.26, 1,955,008.65 and 772,120.58
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Solution
The fourth proportional to 1,416,714.26, 1,955,008.65 and 772,120.58 is: 1,065,495.32
Step by Step Solution
- Step 1: Write the proportion equation
1,416,714.26 : 1,955,008.65 = 772,120.58 : x - Step 2: Convert to fraction form
1,416,714.26/1,955,008.65 = 772,120.58/x - Step 3: Cross multiply
1,416,714.26x = 1,955,008.65 × 772,120.58 - Step 4: Simplify right side
1,416,714.26x = 1,509,502,412,743.02 - Step 5: Solve for x
x = 1,509,502,412,743.02/1,416,714.26 - Step 6: Final answer
x = 1,065,495.32
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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.