Finding the Fourth Proportional to 1,357,690.67, 1,873,405.05 and 784,620.26
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Solution
The fourth proportional to 1,357,690.67, 1,873,405.05 and 784,620.26 is: 1,082,655.71
Step by Step Solution
- Step 1: Write the proportion equation
1,357,690.67 : 1,873,405.05 = 784,620.26 : x - Step 2: Convert to fraction form
1,357,690.67/1,873,405.05 = 784,620.26/x - Step 3: Cross multiply
1,357,690.67x = 1,873,405.05 × 784,620.26 - Step 4: Simplify right side
1,357,690.67x = 1,469,911,557,416.31 - Step 5: Solve for x
x = 1,469,911,557,416.31/1,357,690.67 - Step 6: Final answer
x = 1,082,655.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.