Finding the Fourth Proportional to 1,357,691.36, 1,873,406.00 and 784,620.95
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Solution
The fourth proportional to 1,357,691.36, 1,873,406.00 and 784,620.95 is: 1,082,656.66
Step by Step Solution
- Step 1: Write the proportion equation
1,357,691.36 : 1,873,406.00 = 784,620.95 : x - Step 2: Convert to fraction form
1,357,691.36/1,873,406.00 = 784,620.95/x - Step 3: Cross multiply
1,357,691.36x = 1,873,406.00 × 784,620.95 - Step 4: Simplify right side
1,357,691.36x = 1,469,913,588,050.22 - Step 5: Solve for x
x = 1,469,913,588,050.22/1,357,691.36 - Step 6: Final answer
x = 1,082,656.66
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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.