Finding the Fourth Proportional to 1,405,275.84, 1,939,307.58 and 824,840.64
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Solution
The fourth proportional to 1,405,275.84, 1,939,307.58 and 824,840.64 is: 1,138,295.88
Step by Step Solution
- Step 1: Write the proportion equation
1,405,275.84 : 1,939,307.58 = 824,840.64 : x - Step 2: Convert to fraction form
1,405,275.84/1,939,307.58 = 824,840.64/x - Step 3: Cross multiply
1,405,275.84x = 1,939,307.58 × 824,840.64 - Step 4: Simplify right side
1,405,275.84x = 1,599,619,705,444.05 - Step 5: Solve for x
x = 1,599,619,705,444.05/1,405,275.84 - Step 6: Final answer
x = 1,138,295.88
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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.